C222123232321333131133133313331323133313231333133312131323312322311221   >>    C22212323232133313113313331333132313331323133313331213132331232231122   <<    C222123232321333131133133313331323133313231333133312131323312322311223   >>      C222123232321333131133133313331323133313231333133312131323312322311222   >>