sadrasabouri 5d6a217da0 change : S1 image changed.		2021-10-08 17:15:16 +03:30
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S1.jpg	change : S1 image changed.	2021-10-08 17:15:16 +03:30
S2.jpg	add : needed pictures added.	2021-10-07 12:13:38 +03:30
S2_.jpg	change : slight change in S_2'.	2021-10-07 12:25:15 +03:30
transformation.png	add : needed pictures added.	2021-10-07 12:13:38 +03:30