C222123232321333131133133313331323133313231333133312131323312322213311   >>    C22212323232133313113313331333132313331323133313331213132331232221331   <<    C222123232321333131133133313331323133313231333133312131323312322213313   >>      C222123232321333131133133313331323133313231333133312131323312322213312   >>