C1111133313331323223313331333133313331323131211113323132333132311111   >>    C111113331333132322331333133313331333132313121111332313233313231111   <<    C1111133313331323223313331333133313331323131211113323132333132311113   >>      C1111133313331323223313331333133313331323131211113323132333132311112   >>