C222123232321333131133133313331323133313231333133312131323231211223311   >>    C22212323232133313113313331333132313331323133313331213132323121122331   <<    C222123232321333131133133313331323133313231333133312131323231211223313   >>      C222123232321333131133133313331323133313231333133312131323231211223312   >>