C1111133313331323223313331333133313113313121111133313232332323131   >>    C111113331333132322331333133313331311331312111113331323233232313   <<    C1111133313331323223313331333133313113313121111133313232332323133   >>      C1111133313331323223313331333133313113313121111133313232332323132   >>