by steps
000000 000000
000000
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007f00
00007f 00007f
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0000ff
007f7f 007f7f
007f7f
1e7010 1e7010
1e7010
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007fff
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00ff00
00ff7f 00ff7f
00ff7f
3d6221 3d6221
3d6221
00ffff 00ffff
00ffff
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5b5332 5b5332
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7a4543
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7fffff
983653 983653
983653
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b72864 b72864
b72864
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ff7f00
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ff7f7f
ff7fff ff7fff
ff7fff
d51975 d51975
d51975
ffff00 ffff00
ffff00
ffff7f ffff7f
ffff7f
ffffff ffffff
ffffff
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f40b86