C111123313331323113313331333133313331323132311331323131133231111   >>    C11112331333132311331333133313331333132313231133132313113323111   <<    C111123313331323113313331333133313331323132311331323131133231113   >>      C111123313331323113313331333133313331323132311331323131133231112   >>