by steps
000000 000000
000000
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007fff
00007f 00007f
00007f
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0000ff
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007f7f 007f7f
007f7f
1682ed 1682ed
1682ed
00ff00 00ff00
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00ff7f 00ff7f
00ff7f
2d85db 2d85db
2d85db
00ffff 00ffff
00ffff
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7f007f
4488c9 4488c9
4488c9
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5b8cb8
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728fa6 728fa6
728fa6
ff0000 ff0000
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899294 899294
899294
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ff7f00
ff7f7f ff7f7f
ff7f7f
ff7fff ff7fff
ff7fff
a09582 a09582
a09582
ffff00 ffff00
ffff00
ffff7f ffff7f
ffff7f
ffffff ffffff
ffffff
b79971 b79971
b79971