by steps
000000 000000
000000
567963 567963
567963
00007f 00007f
00007f
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0000ff
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007f00
007f7f 007f7f
007f7f
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5f805d
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007fff
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00ff7f 00ff7f
00ff7f
698857 698857
698857
00ffff 00ffff
00ffff
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728f52 728f52
728f52
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7c974c
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869f46 869f46
869f46
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8fa641
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ff7f7f ff7f7f
ff7f7f
ff7fff ff7fff
ff7fff
99ae3b 99ae3b
99ae3b
ffff00 ffff00
ffff00
ffff7f ffff7f
ffff7f
ffffff ffffff
ffffff
a3b636 a3b636
a3b636