by steps
000000 000000
000000
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ff0000
00007f 00007f
00007f
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007f00 007f00
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e21b0c
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007fff
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00ff7f
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c63619
00ffff 00ffff
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aa5125
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8e6c32 8e6c32
8e6c32
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72873e 72873e
72873e
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56a24b 56a24b
56a24b
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ff7f7f
ff7fff ff7fff
ff7fff
3abd57 3abd57
3abd57
ffff00 ffff00
ffff00
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ffff7f
ffffff ffffff
ffffff
1ed964 1ed964
1ed964