C11111333133313232233133313331333133313231312111133132212111113331311331322111   >>    C1111133313331323223313331333133313331323131211113313221211111333131133132211   <<    C11111333133313232233133313331333133313231312111133132212111113331311331322113   >>      C11111333133313232233133313331333133313231312111133132212111113331311331322112   >>