How to solve this problem ?

Revision en1, by _humblefool_, 2021-12-27 14:37:26

link of the proble thanks in advance.

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en2 English _humblefool_ 2021-12-27 14:39:50 123
en1 English _humblefool_ 2021-12-27 14:37:26 138 Initial revision (published)