by steps
000000 000000
000000
0b9a13 0b9a13
0b9a13
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0d9e16
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0fa31a 0fa31a
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00ffff 00ffff
00ffff
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7f007f 7f007f
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11a81d 11a81d
11a81d
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15b224
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17b728 17b728
17b728
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ff7f00
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ff7f7f
ff7fff ff7fff
ff7fff
19bc2b 19bc2b
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ffff00 ffff00
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ffff7f
ffffff ffffff
ffffff
1bc12f 1bc12f
1bc12f