C222123232321333131133133313331323133313231333131331131331333223221   >>    C22212323232133313113313331333132313331323133313133113133133322322   <<    C222123232321333131133133313331323133313231333131331131331333223223   >>      C222123232321333131133133313331323133313231333131331131331333223222   >>