C11111333133313232233133313331333132332313112113313331333132322331323131211   >>    C1111133313331323223313331333133313233231311211331333133313232233132313121   <<    C11111333133313232233133313331333132332313112113313331333132322331323131213   >>      C11111333133313232233133313331333132332313112113313331333132322331323131212   >>