by steps
000000 000000
000000
c714fd c714fd
c714fd
00007f 00007f
00007f
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0000ff
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c516fb
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007fff
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00ff7f
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c319fa
00ffff 00ffff
00ffff
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7f007f
c11bf9 c11bf9
c11bf9
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bf1ef8
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bd20f6
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bb23f5
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ff7f7f ff7f7f
ff7f7f
ff7fff ff7fff
ff7fff
b925f4 b925f4
b925f4
ffff00 ffff00
ffff00
ffff7f ffff7f
ffff7f
ffffff ffffff
ffffff
b728f3 b728f3
b728f3