by steps
000000 000000
000000
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7fff00
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00007f
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0000ff
007f00 007f00
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007f7f 007f7f
007f7f
83e713 83e713
83e713
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007fff
00ff00 00ff00
00ff00
00ff7f 00ff7f
00ff7f
88d026 88d026
88d026
00ffff 00ffff
00ffff
7f0000 7f0000
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8db93a 8db93a
8db93a
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7f7f7f 7f7f7f
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92a24d 92a24d
92a24d
7f7fff 7f7fff
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7fff7f 7fff7f
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7fffff 7fffff
7fffff
978a60 978a60
978a60
ff0000 ff0000
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ff007f ff007f
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9c7374 9c7374
9c7374
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ff7f7f ff7f7f
ff7f7f
ff7fff ff7fff
ff7fff
a15c87 a15c87
a15c87
ffff00 ffff00
ffff00
ffff7f ffff7f
ffff7f
ffffff ffffff
ffffff
a6459b a6459b
a6459b