2020 calendar by clock

s/^/316901305110316120410021/
s/../ X&   1 2 3\n/g
s/ ./&0&1&2&3&4&5&6&7&8&9/gm
s/ X\(.\).*\1\(.\)  0\(.*\2\).\+/\3/gm
s/X./  /g
s/.\{,21\}/&\n/gm

Note that non-ascii characters in the above source code will be escaped (such as \x9f).

To protect the system from spam, please input your favorite sport (hint: I believe its name must start with 'g', case insensitive)

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