by steps
000000 000000
000000
49e926 49e926
49e926
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0000ff
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007f7f 007f7f
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4ce728 4ce728
4ce728
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007fff
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50e62a 50e62a
50e62a
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54e52c 54e52c
54e52c
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58e42e 58e42e
58e42e
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5ce330 5ce330
5ce330
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60e232 60e232
60e232
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ff7fff ff7fff
ff7fff
64e134 64e134
64e134
ffff00 ffff00
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ffffff ffffff
ffffff
68e036 68e036
68e036