by steps
000000 000000
000000
19f973 19f973
19f973
00007f 00007f
00007f
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0000ff
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007f7f 007f7f
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25e984 25e984
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007fff 007fff
007fff
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00ff7f
32da96 32da96
32da96
00ffff 00ffff
00ffff
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3fcba7 3fcba7
3fcba7
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58acca 58acca
58acca
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659ddc 659ddc
659ddc
ff7f00 ff7f00
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ff7f7f ff7f7f
ff7f7f
ff7fff ff7fff
ff7fff
728eed 728eed
728eed
ffff00 ffff00
ffff00
ffff7f ffff7f
ffff7f
ffffff ffffff
ffffff