by steps
000000 000000
000000
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7a85f8
00007f 00007f
00007f
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0000ff
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007fff 007fff
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00ff7f
7787f5 7787f5
7787f5
00ffff 00ffff
00ffff
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7688f3
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7589f2
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ff7fff
728cee 728cee
728cee
ffff00 ffff00
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ffffff ffffff
ffffff
718eed 718eed
718eed