by steps
000000 000000
000000
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e42eca
00007f 00007f
00007f
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0000ff
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007f00
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007f7f
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e42dca
007fff 007fff
007fff
00ff00 00ff00
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00ff7f 00ff7f
00ff7f
e42ccb e42ccb
e42ccb
00ffff 00ffff
00ffff
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7f007f
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e52bcc
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7f7f7f
e52bcd e52bcd
e52bcd
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7f7fff
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7fff7f
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e52acd e52acd
e52acd
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e629ce
ff7f00 ff7f00
ff7f00
ff7f7f ff7f7f
ff7f7f
ff7fff ff7fff
ff7fff
e628cf e628cf
e628cf
ffff00 ffff00
ffff00
ffff7f ffff7f
ffff7f
ffffff ffffff
ffffff
e728d0 e728d0
e728d0