by steps
000000 000000
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755ae2
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0000ff
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866ee5 866ee5
866ee5
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007fff
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00ff7f
9783e9 9783e9
9783e9
00ffff 00ffff
00ffff
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7f007f
a897ec a897ec
a897ec
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cbc1f4
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dcd5f7
ff7f00 ff7f00
ff7f00
ff7f7f ff7f7f
ff7f7f
ff7fff ff7fff
ff7fff
edeafb edeafb
edeafb
ffff00 ffff00
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ffff7f
ffffff ffffff
ffffff