C222123232321333131133133313331323133313231333133312131323231121321221   >>    C22212323232133313113313331333132313331323133313331213132323112132122   <<    C222123232321333131133133313331323133313231333133312131323231121321223   >>      C222123232321333131133133313331323133313231333133312131323231121321222   >>