C111123313331323113313331333133313231323133313133313231311331322123221   >>    C11112331333132311331333133313331323132313331313331323131133132212322   <<    C111123313331323113313331333133313231323133313133313231311331322123223   >>      C111123313331323113313331333133313231323133313133313231311331322123222   >>