by steps
000000 000000
000000
18ee9c 18ee9c
18ee9c
00007f 00007f
00007f
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0000ff
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007f00
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007f7f
24e088 24e088
24e088
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007fff
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00ff7f 00ff7f
00ff7f
31d275 31d275
31d275
00ffff 00ffff
00ffff
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7f007f
3ec461 3ec461
3ec461
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58a83a 58a83a
58a83a
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659a27 659a27
659a27
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ff7f7f
ff7fff ff7fff
ff7fff
728c13 728c13
728c13
ffff00 ffff00
ffff00
ffff7f ffff7f
ffff7f
ffffff ffffff
ffffff