by steps
000000 000000
000000
72866c 72866c
72866c
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0000ff
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718669
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007fff
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00ff7f
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718667
00ffff 00ffff
00ffff
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7f007f
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718664
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7f7f7f
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718762
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71875f
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71875d
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ff7f7f
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ff7fff
71875a 71875a
71875a
ffff00 ffff00
ffff00
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ffff7f
ffffff ffffff
ffffff
718858 718858
718858