C11111333133313232233133313331333133313231312323132313331311211311111   >>    C1111133313331323223313331333133313331323131232313231333131121131111   <<    C11111333133313232233133313331333133313231312323132313331311211311113   >>      C11111333133313232233133313331333133313231312323132313331311211311112   >>