uint rgbmap[256] = { 0x000000, 0x000044, 0x000088, 0x0000CC, 0x004400, 0x004444, 0x004488, 0x0044CC, 0x008800, 0x008844, 0x008888, 0x0088CC, 0x00CC00, 0x00CC44, 0x00CC88, 0x00CCCC, 0x00DDDD, 0x111111, 0x000055, 0x000099, 0x0000DD, 0x005500, 0x005555, 0x004C99, 0x0049DD, 0x009900, 0x00994C, 0x009999, 0x0093DD, 0x00DD00, 0x00DD49, 0x00DD93, 0x00EE9E, 0x00EEEE, 0x222222, 0x000066, 0x0000AA, 0x0000EE, 0x006600, 0x006666, 0x0055AA, 0x004FEE, 0x00AA00, 0x00AA55, 0x00AAAA, 0x009EEE, 0x00EE00, 0x00EE4F, 0x00FF55, 0x00FFAA, 0x00FFFF, 0x333333, 0x000077, 0x0000BB, 0x0000FF, 0x007700, 0x007777, 0x005DBB, 0x0055FF, 0x00BB00, 0x00BB5D, 0x00BBBB, 0x00AAFF, 0x00FF00, 0x440044, 0x440088, 0x4400CC, 0x444400, 0x444444, 0x444488, 0x4444CC, 0x448800, 0x448844, 0x448888, 0x4488CC, 0x44CC00, 0x44CC44, 0x44CC88, 0x44CCCC, 0x440000, 0x550000, 0x550055, 0x4C0099, 0x4900DD, 0x555500, 0x555555, 0x4C4C99, 0x4949DD, 0x4C9900, 0x4C994C, 0x4C9999, 0x4993DD, 0x49DD00, 0x49DD49, 0x49DD93, 0x49DDDD, 0x4FEEEE, 0x660000, 0x660066, 0x5500AA, 0x4F00EE, 0x666600, 0x666666, 0x5555AA, 0x4F4FEE, 0x55AA00, 0x55AA55, 0x55AAAA, 0x4F9EEE, 0x4FEE00, 0x4FEE4F, 0x4FEE9E, 0x55FFAA, 0x55FFFF, 0x770000, 0x770077, 0x5D00BB, 0x5500FF, 0x777700, 0x777777, 0x5D5DBB, 0x5555FF, 0x5DBB00, 0x5DBB5D, 0x5DBBBB, 0x55AAFF, 0x55FF00, 0x55FF55, 0x880088, 0x8800CC, 0x884400, 0x884444, 0x884488, 0x8844CC, 0x888800, 0x888844, 0x888888, 0x8888CC, 0x88CC00, 0x88CC44, 0x88CC88, 0x88CCCC, 0x880000, 0x880044, 0x99004C, 0x990099, 0x9300DD, 0x994C00, 0x994C4C, 0x994C99, 0x9349DD, 0x999900, 0x99994C, 0x999999, 0x9393DD, 0x93DD00, 0x93DD49, 0x93DD93, 0x93DDDD, 0x990000, 0xAA0000, 0xAA0055, 0xAA00AA, 0x9E00EE, 0xAA5500, 0xAA5555, 0xAA55AA, 0x9E4FEE, 0xAAAA00, 0xAAAA55, 0xAAAAAA, 0x9E9EEE, 0x9EEE00, 0x9EEE4F, 0x9EEE9E, 0x9EEEEE, 0xAAFFFF, 0xBB0000, 0xBB005D, 0xBB00BB, 0xAA00FF, 0xBB5D00, 0xBB5D5D, 0xBB5DBB, 0xAA55FF, 0xBBBB00, 0xBBBB5D, 0xBBBBBB, 0xAAAAFF, 0xAAFF00, 0xAAFF55, 0xAAFFAA, 0xCC00CC, 0xCC4400, 0xCC4444, 0xCC4488, 0xCC44CC, 0xCC8800, 0xCC8844, 0xCC8888, 0xCC88CC, 0xCCCC00, 0xCCCC44, 0xCCCC88, 0xCCCCCC, 0xCC0000, 0xCC0044, 0xCC0088, 0xDD0093, 0xDD00DD, 0xDD4900, 0xDD4949, 0xDD4993, 0xDD49DD, 0xDD9300, 0xDD9349, 0xDD9393, 0xDD93DD, 0xDDDD00, 0xDDDD49, 0xDDDD93, 0xDDDDDD, 0xDD0000, 0xDD0049, 0xEE004F, 0xEE009E, 0xEE00EE, 0xEE4F00, 0xEE4F4F, 0xEE4F9E, 0xEE4FEE, 0xEE9E00, 0xEE9E4F, 0xEE9E9E, 0xEE9EEE, 0xEEEE00, 0xEEEE4F, 0xEEEE9E, 0xEEEEEE, 0xEE0000, 0xFF0000, 0xFF0055, 0xFF00AA, 0xFF00FF, 0xFF5500, 0xFF5555, 0xFF55AA, 0xFF55FF, 0xFFAA00, 0xFFAA55, 0xFFAAAA, 0xFFAAFF, 0xFFFF00, 0xFFFF55, 0xFFFFAA, 0xFFFFFF, }; uchar closestrgb[16*16*16] = { 0,17,17,1,1,18,35,52,2,19,36,53,3,20,37,54, 17,17,17,1,1,18,35,52,2,19,36,53,3,20,37,54, 17,17,34,5,5,5,35,6,6,6,23,7,7,7,24,41, 4,4,5,5,5,5,6,6,6,6,23,7,7,7,24,41, 4,4,5,5,5,22,22,6,6,23,40,40,7,24,41,41, 21,21,5,5,22,22,39,39,6,23,40,57,57,24,41,58, 38,38,38,9,22,39,39,56,56,40,40,57,57,57,41,58, 55,55,9,9,9,39,56,56,10,10,57,11,11,11,28,58, 8,8,9,9,9,9,56,10,10,10,27,11,11,11,28,45, 25,25,9,9,26,26,43,10,10,27,27,44,11,28,45,45, 42,42,26,26,43,43,43,60,27,27,44,44,61,28,45,62, 59,59,13,13,43,60,60,14,14,44,44,61,61,15,45,62, 12,12,13,13,13,60,60,14,14,14,61,61,15,15,16,62, 29,29,13,13,30,30,60,14,14,31,31,15,15,16,16,33, 46,46,30,30,47,47,47,31,31,32,32,32,16,16,33,33, 63,63,47,47,47,48,48,48,32,32,49,49,49,33,33,50, 17,17,17,1,1,18,35,52,2,19,36,53,3,20,37,54, 17,17,34,34,1,18,35,52,2,19,36,53,3,20,37,54, 17,34,34,34,51,5,35,6,6,6,23,7,7,7,24,41, 4,34,34,51,5,5,6,6,6,6,23,7,7,7,24,41, 4,4,51,5,5,22,22,6,6,23,40,40,7,24,41,41, 21,21,5,5,22,22,39,39,6,23,40,57,57,24,41,58, 38,38,38,9,22,39,39,56,56,40,40,57,57,57,41,58, 55,55,9,9,9,39,56,56,10,10,57,11,11,11,28,58, 8,8,9,9,9,9,56,10,10,10,27,11,11,11,28,45, 25,25,9,9,26,26,43,10,10,27,27,44,11,28,45,45, 42,42,26,26,43,43,43,60,27,27,44,44,61,28,45,62, 59,59,13,13,43,60,60,14,14,44,44,61,61,15,45,62, 12,12,13,13,13,60,60,14,14,14,61,61,15,15,16,62, 29,29,13,13,30,30,60,14,14,31,31,15,15,16,16,33, 46,46,30,30,47,47,47,31,31,32,32,32,16,16,33,33, 63,63,47,47,47,48,48,48,32,32,49,49,49,33,33,50, 17,17,34,64,64,64,35,65,65,65,82,66,66,66,83,100, 17,34,34,34,51,64,35,65,65,65,82,66,66,66,83,100, 34,34,34,51,51,51,69,69,69,69,69,70,70,70,87,87, 67,34,51,51,51,68,69,69,69,69,86,70,70,70,87,87, 67,51,51,51,68,68,69,69,69,69,86,70,70,70,87,104, 67,67,51,68,68,68,39,69,69,69,40,70,70,70,87,58, 38,38,72,72,72,39,39,56,73,73,40,57,74,74,87,58, 71,71,72,72,72,72,56,73,73,73,73,74,74,74,74,91, 71,71,72,72,72,72,73,73,73,73,73,74,74,74,91,91, 71,71,72,72,72,72,73,73,73,73,90,74,74,91,91,108, 88,88,72,89,89,43,43,73,73,90,44,44,74,91,91,62, 75,75,76,76,76,76,60,77,77,77,44,78,78,78,78,62, 75,75,76,76,76,76,77,77,77,77,77,78,78,78,78,95, 75,75,76,76,76,76,77,77,77,94,94,78,78,78,95,95, 92,92,93,93,93,93,93,77,94,94,94,78,78,95,95,96, 109,109,93,93,110,48,48,94,94,111,49,49,95,95,96,50, 79,79,64,64,64,64,65,65,65,65,82,66,66,66,83,100, 79,34,34,51,64,64,65,65,65,65,82,66,66,66,83,100, 67,34,51,51,51,68,69,69,69,69,86,70,70,70,87,87, 67,51,51,51,68,68,69,69,69,69,86,70,70,70,87,104, 67,67,51,68,68,68,69,69,69,69,86,70,70,70,87,104, 67,67,68,68,68,85,85,69,69,86,86,70,70,87,87,104, 71,71,72,72,72,85,85,73,73,86,103,103,74,87,104,121, 71,71,72,72,72,72,73,73,73,73,73,74,74,74,91,91, 71,71,72,72,72,72,73,73,73,73,90,74,74,74,91,108, 71,71,72,72,72,89,89,73,73,90,90,74,74,91,91,108, 88,88,89,89,89,89,106,73,90,90,107,107,91,91,108,108, 75,75,76,76,76,76,106,77,77,77,107,78,78,78,108,125, 75,75,76,76,76,76,77,77,77,77,94,78,78,78,95,95, 75,75,76,76,76,93,93,77,77,94,94,78,78,95,95,95, 92,92,93,93,93,93,110,94,94,94,111,111,95,95,95,96, 109,109,93,110,110,110,127,94,111,111,111,112,95,95,96,96, 79,79,64,64,64,81,81,65,65,82,99,99,66,83,100,100, 79,79,51,64,64,81,81,65,65,82,99,99,66,83,100,100, 67,51,51,51,68,68,69,69,69,69,86,70,70,70,87,104, 67,67,51,68,68,68,69,69,69,69,86,70,70,70,87,104, 67,67,68,68,68,85,85,69,69,86,86,70,70,87,87,104, 84,84,68,68,85,85,85,69,69,86,103,103,70,87,104,121, 84,84,72,72,85,85,85,102,73,86,103,120,120,87,104,121, 71,71,72,72,72,72,102,73,73,73,73,74,74,74,91,121, 71,71,72,72,72,72,73,73,73,73,90,74,74,91,91,108, 88,88,72,72,89,89,89,73,73,90,90,74,74,91,108,108, 105,105,89,89,89,106,106,73,90,90,107,107,91,91,108,125, 105,105,76,76,76,106,123,77,77,77,107,124,78,78,108,125, 75,75,76,76,76,76,123,77,77,77,94,78,78,78,95,125, 92,92,76,76,93,93,93,77,94,94,94,78,78,95,95,96, 109,109,93,93,93,110,110,94,94,111,111,111,95,95,96,96, 109,109,110,110,110,127,127,127,111,111,112,112,112,96,96,96, 80,80,64,64,81,81,98,98,65,82,99,116,116,83,100,117, 80,80,64,64,81,81,98,98,65,82,99,116,116,83,100,117, 67,67,51,68,68,68,98,69,69,69,99,70,70,70,87,117, 67,67,68,68,68,85,85,69,69,86,86,70,70,87,87,104, 84,84,68,68,85,85,85,69,69,86,103,103,70,87,104,121, 84,84,68,85,85,85,85,102,86,86,103,120,120,87,104,121, 101,101,101,85,85,85,102,102,86,103,103,120,120,120,104,121, 101,101,72,72,72,102,102,102,73,73,120,120,74,74,91,121, 71,71,72,72,72,89,89,73,73,90,90,74,74,91,91,108, 88,88,72,89,89,89,106,73,90,90,107,107,74,91,108,108, 105,105,105,89,106,106,106,123,90,107,107,107,124,108,108,125, 122,122,76,76,106,123,123,123,77,107,107,124,124,124,125,125, 122,122,76,76,76,123,123,77,77,77,124,124,124,78,95,125, 92,92,76,93,93,93,123,77,94,94,111,124,78,95,95,96, 109,109,93,93,110,110,110,94,94,111,111,112,95,95,96,96, 126,126,126,110,127,127,127,127,111,111,112,112,112,96,96,113, 97,97,97,143,81,98,98,115,115,99,99,116,116,116,100,117, 97,97,97,143,81,98,98,115,115,99,99,116,116,116,100,117, 97,97,131,131,131,98,98,115,132,132,99,116,133,133,87,117, 130,130,131,131,131,85,85,132,132,86,103,103,133,87,104,121, 84,84,131,131,85,85,85,102,132,86,103,120,120,87,104,121, 101,101,101,85,85,85,102,102,86,103,103,120,120,120,104,121, 101,101,101,85,85,102,102,102,119,103,120,120,120,120,121,121, 118,118,118,135,102,102,102,119,119,119,120,120,120,137,91,121, 118,118,135,135,135,89,119,119,119,90,90,137,137,91,108,108, 105,105,135,89,89,106,106,119,90,90,107,107,137,91,108,125, 105,105,105,106,106,106,123,123,90,107,107,124,124,108,108,125, 122,122,122,106,123,123,123,123,140,107,124,124,124,124,125,125, 122,122,139,139,123,123,123,123,140,140,124,124,124,124,95,125, 122,122,139,93,93,123,123,140,94,94,111,124,124,95,95,96, 109,109,93,110,110,110,127,94,111,111,111,112,95,95,96,96, 126,126,126,127,127,127,127,127,111,112,112,112,112,96,96,113, 114,114,143,143,143,98,115,115,128,128,116,129,129,129,146,117, 114,114,143,143,143,98,115,115,128,128,116,129,129,129,146,117, 130,130,131,131,131,131,115,132,132,132,132,133,133,133,133,150, 130,130,131,131,131,131,132,132,132,132,132,133,133,133,150,150, 130,130,131,131,131,131,102,132,132,132,132,133,133,133,150,121, 101,101,131,131,131,102,102,102,132,132,120,120,133,133,150,121, 118,118,118,135,102,102,102,119,119,119,120,120,120,137,150,121, 118,118,135,135,135,102,119,119,119,136,136,137,137,137,137,154, 134,134,135,135,135,135,119,119,136,136,136,137,137,137,154,154, 134,134,135,135,135,135,119,136,136,136,153,137,137,137,154,154, 122,122,135,135,135,123,123,136,136,153,107,124,124,154,154,125, 138,138,139,139,139,123,123,140,140,140,124,124,141,141,141,125, 138,138,139,139,139,139,123,140,140,140,124,141,141,141,141,158, 138,138,139,139,139,139,140,140,140,140,157,141,141,141,158,158, 155,155,139,156,156,156,156,140,157,157,157,141,141,158,158,158, 126,126,156,156,127,127,127,157,157,157,112,112,158,158,158,113, 142,142,143,143,143,143,115,128,128,128,145,129,129,129,146,163, 142,142,143,143,143,143,115,128,128,128,145,129,129,129,146,163, 130,130,131,131,131,131,132,132,132,132,132,133,133,133,150,150, 130,130,131,131,131,131,132,132,132,132,149,133,133,133,150,167, 130,130,131,131,131,131,132,132,132,132,149,133,133,150,150,167, 130,130,131,131,131,148,148,132,132,149,149,133,133,150,150,167, 118,118,135,135,135,148,119,119,119,149,149,137,137,150,167,167, 134,134,135,135,135,135,119,119,136,136,136,137,137,137,154,154, 134,134,135,135,135,135,119,136,136,136,153,137,137,137,154,154, 134,134,135,135,135,152,152,136,136,153,153,137,137,154,154,171, 151,151,135,152,152,152,152,136,153,153,153,170,154,154,171,171, 138,138,139,139,139,139,140,140,140,140,170,141,141,141,141,171, 138,138,139,139,139,139,140,140,140,140,157,141,141,141,158,158, 138,138,139,139,156,156,156,140,140,157,157,141,141,158,158,158, 155,155,156,156,156,156,173,157,157,157,174,141,158,158,158,175, 172,172,156,173,173,173,173,157,157,174,174,174,158,158,175,175, 159,159,143,143,144,144,161,128,128,145,145,162,129,146,163,163, 159,159,143,143,144,144,161,128,128,145,145,162,129,146,163,163, 130,130,131,131,131,131,132,132,132,132,149,133,133,150,150,167, 130,130,131,131,131,148,148,132,132,149,149,133,133,150,150,167, 147,147,131,131,148,148,148,132,132,149,149,133,133,150,167,167, 147,147,131,148,148,148,165,132,149,149,166,166,133,150,167,167, 164,164,135,148,148,165,165,119,149,149,166,166,137,150,167,184, 134,134,135,135,135,135,119,136,136,136,153,137,137,137,154,154, 134,134,135,135,135,152,152,136,136,153,153,137,137,154,154,171, 151,151,135,152,152,152,152,136,153,153,153,170,154,154,171,171, 151,151,152,152,152,169,169,153,153,153,170,170,154,154,171,171, 168,168,139,139,139,169,169,140,140,170,170,170,141,141,171,188, 138,138,139,139,139,139,140,140,140,157,157,141,141,141,158,158, 155,155,156,156,156,156,156,140,157,157,157,141,141,158,158,175, 172,172,156,156,173,173,173,157,157,174,174,174,158,158,175,175, 172,172,173,173,173,173,190,157,174,174,174,191,158,175,175,175, 160,160,144,144,161,161,161,178,145,145,162,162,179,146,163,180, 160,160,144,144,161,161,161,178,145,145,162,162,179,146,163,180, 147,147,131,148,148,161,161,132,132,149,162,162,133,150,150,180, 147,147,148,148,148,148,165,132,149,149,166,166,150,150,167,167, 164,164,148,148,148,165,165,132,149,149,166,166,150,150,167,184, 164,164,164,148,165,165,165,182,149,166,166,166,183,167,167,184, 164,164,164,165,165,165,182,182,149,166,166,183,183,167,167,184, 181,181,135,135,135,182,182,136,136,153,166,183,183,154,154,184, 151,151,135,152,152,152,152,136,153,153,153,170,154,154,171,171, 151,151,152,152,152,169,169,153,153,153,170,170,154,154,171,171, 168,168,168,169,169,169,169,169,153,170,170,170,187,171,171,188, 168,168,168,169,169,169,186,186,170,170,170,187,187,187,188,188, 185,185,139,156,156,186,186,186,157,157,187,187,187,158,158,188, 155,155,156,156,156,173,173,157,157,157,174,187,158,158,158,175, 172,172,156,173,173,173,173,157,174,174,174,191,158,158,175,175, 189,189,189,173,190,190,190,190,174,174,191,191,191,175,175,176, 177,177,206,206,161,178,178,207,207,162,162,179,179,192,163,180, 177,177,206,206,161,178,178,207,207,162,162,179,179,192,163,180, 193,193,194,194,194,194,178,195,195,195,162,196,196,196,196,180, 193,193,194,194,194,194,165,195,195,195,166,196,196,196,167,184, 164,164,194,194,194,165,182,195,195,195,166,183,196,196,167,184, 181,181,194,194,165,182,182,182,195,166,166,183,183,183,184,184, 181,181,181,165,182,182,182,182,199,166,183,183,183,183,184,184, 197,197,198,198,198,182,182,199,199,199,183,183,200,200,200,184, 197,197,198,198,198,198,199,199,199,199,170,200,200,200,200,171, 168,168,198,198,198,169,169,199,199,170,170,170,200,200,171,188, 168,168,168,169,169,169,186,186,170,170,170,187,187,187,188,188, 185,185,202,202,186,186,186,186,203,170,187,187,187,187,188,188, 185,185,202,202,202,186,186,203,203,203,187,187,187,204,204,188, 201,201,202,202,202,186,186,203,203,203,187,187,204,204,175,175, 172,172,202,173,173,190,190,203,203,174,191,191,204,175,175,176, 189,189,189,190,190,190,190,190,174,191,191,191,191,175,176,176, 205,205,206,206,206,178,178,207,207,207,179,179,192,192,209,180, 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