FORUM :

: . 2 20/21
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1           ------------------------------------------------2:11100213
2       --- 1:1---------------------------------------------1010111
3         ------ ---------------------------------------------1010111
4   --------- ------------------------------------------0000000
5   ------------ ------?:?------------------------------0000000
6       --------------- ------------------------------?:?---0000000
7_      ------------------ ---------------------------------0000000
8        --------------------- ------------------------------0000000
9         ------------------------ ---------------------------0000000
10         --------------------------- ------------------------0000000
11       ------------------------------ ?:?------------------0000000
12        --------------------------------- ------------------0000000
13     ------------------------?:?--------- ---------------0000000
14         ---------------------------?:?--------- ------------0000000
15 ---------?:?------------------------------ ---------0000000
16            ------------------?:?------------------------ ------0000000
17 ------------------------------------------------ ---0000000
18 --------------------------------------------------- 1001120