C1111133313331323223313331333133313331323131211113313133313131231111   >>    C111113331333132322331333133313331333132313121111331313331313123111   <<    C1111133313331323223313331333133313331323131211113313133313131231113   >>      C1111133313331323223313331333133313331323131211113313133313131231112   >>