by steps
000000 000000
000000
a83157 a83157
a83157
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00007f
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0000ff
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ab2f54
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007fff
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00ff7f
ae2d51 ae2d51
ae2d51
00ffff 00ffff
00ffff
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7f007f
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b12c4e
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7f7f7f
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b42a4b
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7fffff
b72848 b72848
b72848
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ba2745 ba2745
ba2745
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ff7f00
ff7f7f ff7f7f
ff7f7f
ff7fff ff7fff
ff7fff
bd2542 bd2542
bd2542
ffff00 ffff00
ffff00
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ffffff ffffff
ffffff
c1243f c1243f
c1243f