C222123232321333131133133313331323133313231333133312131323231221212321   >>    C22212323232133313113313331333132313331323133313331213132323122121232   <<    C222123232321333131133133313331323133313231333133312131323231221212323   >>      C222123232321333131133133313331323133313231333133312131323231221212322   >>