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.......11111111111111111111.........................................
.......11111111111111111111.........................................
.......1111............1111.........................................
.......1111.........................................................
.......1111.........................................................
.......1111.........................................................
.......1111111111...................................................
.......1111111111..............1111........1111.....................
.......1111....................1111........1111.....................
.......1111....................1111........1111.....................
.......1111....................1111........1111.....................
.......1111............1111....1111........1111.....................
.......11111111111111111111....1111111111111111.....................
.......11111111111111111111.....11111111111111......................
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