by steps
000000 000000
000000
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8e7ba5
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00007f
0000ff 0000ff
0000ff
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8f7ba4 8f7ba4
8f7ba4
007fff 007fff
007fff
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00ff7f 00ff7f
00ff7f
917ba3 917ba3
917ba3
00ffff 00ffff
00ffff
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937ba3
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957ba2
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967ba1 967ba1
967ba1
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987ba1 987ba1
987ba1
ff7f00 ff7f00
ff7f00
ff7f7f ff7f7f
ff7f7f
ff7fff ff7fff
ff7fff
9a7ba0 9a7ba0
9a7ba0
ffff00 ffff00
ffff00
ffff7f ffff7f
ffff7f
ffffff ffffff
ffffff
9c7ba0 9c7ba0
9c7ba0