by steps
000000 000000
000000
7e6519 7e6519
7e6519
00007f 00007f
00007f
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0000ff
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007f7f 007f7f
007f7f
8e6835 8e6835
8e6835
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007fff
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00ff7f
9e6b52 9e6b52
9e6b52
00ffff 00ffff
00ffff
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7f007f
ae6e6f ae6e6f
ae6e6f
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7f7f7f
be728c be728c
be728c
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ce75a8 ce75a8
ce75a8
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de78c5 de78c5
de78c5
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ff7f7f ff7f7f
ff7f7f
ff7fff ff7fff
ff7fff
ee7be2 ee7be2
ee7be2
ffff00 ffff00
ffff00
ffff7f ffff7f
ffff7f
ffffff ffffff
ffffff