by steps
000000 000000
000000
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7a8627
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00007f
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0000ff
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007fff
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00ff7f
768b45 768b45
768b45
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748e54
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729163 729163
729163
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7fff7f 7fff7f
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7fffff
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709472
ff0000 ff0000
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6e9781 6e9781
6e9781
ff7f00 ff7f00
ff7f00
ff7f7f ff7f7f
ff7f7f
ff7fff ff7fff
ff7fff
6c9a90 6c9a90
6c9a90
ffff00 ffff00
ffff00
ffff7f ffff7f
ffff7f
ffffff ffffff
ffffff
6b9d9f 6b9d9f
6b9d9f