by steps
000000 000000
000000
84a728 84a728
84a728
00007f 00007f
00007f
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0000ff
007f00 007f00
007f00
007f7f 007f7f
007f7f
84a727 84a727
84a727
007fff 007fff
007fff
00ff00 00ff00
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00ff7f 00ff7f
00ff7f
85a827 85a827
85a827
00ffff 00ffff
00ffff
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7f0000
7f007f 7f007f
7f007f
86a926 86a926
86a926
7f00ff 7f00ff
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7f7f00
7f7f7f 7f7f7f
7f7f7f
87aa26 87aa26
87aa26
7f7fff 7f7fff
7f7fff
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7fff7f 7fff7f
7fff7f
7fffff 7fffff
7fffff
87ab25 87ab25
87ab25
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88ac25 88ac25
88ac25
ff7f00 ff7f00
ff7f00
ff7f7f ff7f7f
ff7f7f
ff7fff ff7fff
ff7fff
89ad24 89ad24
89ad24
ffff00 ffff00
ffff00
ffff7f ffff7f
ffff7f
ffffff ffffff
ffffff
8aae24 8aae24
8aae24