by steps
000000 000000
000000
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7f7f00
00007f 00007f
00007f
0000ff 0000ff
0000ff
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728c17 728c17
728c17
007fff 007fff
007fff
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00ff7f
659a2e 659a2e
659a2e
00ffff 00ffff
00ffff
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7f007f 7f007f
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58a745 58a745
58a745
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4bb55c
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3ec273 3ec273
3ec273
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31d08a 31d08a
31d08a
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ff7f7f
ff7fff ff7fff
ff7fff
24dda1 24dda1
24dda1
ffff00 ffff00
ffff00
ffff7f ffff7f
ffff7f
ffffff ffffff
ffffff
17ebb8 17ebb8
17ebb8