by steps
000000 000000
000000
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1bfc73
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0000ff
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27ec84 27ec84
27ec84
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007fff
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34dc96 34dc96
34dc96
00ffff 00ffff
00ffff
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40cda7 40cda7
40cda7
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59adca 59adca
59adca
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669edc 669edc
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ff7f7f ff7f7f
ff7f7f
ff7fff ff7fff
ff7fff
728eed 728eed
728eed
ffff00 ffff00
ffff00
ffff7f ffff7f
ffff7f
ffffff ffffff
ffffff