C222123232321333131133133313331323133313231333133312131323312322223231   >>    C22212323232133313113313331333132313331323133313331213132331232222323   <<    C222123232321333131133133313331323133313231333133312131323312322223233   >>      C222123232321333131133133313331323133313231333133312131323312322223232   >>