C222123232321333131133133313331323133313231333133312131323313223113111   >>    C22212323232133313113313331333132313331323133313331213132331322311311   <<    C222123232321333131133133313331323133313231333133312131323313223113113   >>      C222123232321333131133133313331323133313231333133312131323313223113112   >>