28 lines
242 B
Sed
28 lines
242 B
Sed
: a
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s/^0*/d/
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/^d[1-9]/t b
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b e
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: b
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s/d[01]/0&/
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s/d[23]/1&/
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s/d[45]/2&/
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s/d[67]/3&/
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s/d[89]/4&/
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t d
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b a
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: c
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s/D[01]/5&/
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s/D[23]/6&/
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s/D[45]/7&/
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s/D[67]/8&/
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s/D[89]/9&/
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t d
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b a
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: d
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s/[dD][02468]/d/
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t b
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s/[dD][13579]/D/
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t c
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: e
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s/^dD/D/
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y/dD/01/
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