21,15,74
#
in steps
000000 000000
000000
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00007f
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0000ff
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007f00
007f7f 007f7f
007f7f
050371 050371
050371
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00ff7f 00ff7f
00ff7f
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0a0764
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100b57
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1a133c 1a133c
1a133c
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251b22 251b22
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ffff7f ffff7f
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ffffff ffffff
ffffff
2b1f15 2b1f15
2b1f15