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my @AoA = ( [11,29, 10,25], ... [39,21, 40,25], [35,15, 39,21], );
(11,29, 10,25, 11,21, 15,15, 21,11, 25,10, 29,11, 35,15, 39,21, 40,25, + 39,29, 35,35, 29,39, 25,40, 21,39, 15,35, 11,29)