C11111333133313232233133313331333133313331311233133313113313133231   >>    C1111133313331323223313331333133313331333131123313331311331313323   <<    C11111333133313232233133313331333133313331311233133313113313133233   >>      C11111333133313232233133313331333133313331311233133313113313133232   >>