by steps
000000 000000
000000
76b37f 76b37f
76b37f
00007f 00007f
00007f
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0000ff
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007f00
007f7f 007f7f
007f7f
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75aa71
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007fff
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00ff7f
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74a263
00ffff 00ffff
00ffff
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739a55
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739247
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728a39 728a39
728a39
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71822b 71822b
71822b
ff7f00 ff7f00
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ff7f7f
ff7fff ff7fff
ff7fff
707a1d 707a1d
707a1d
ffff00 ffff00
ffff00
ffff7f ffff7f
ffff7f
ffffff ffffff
ffffff
707210 707210
707210