C22212323232133313113313331333132313331323132322221212231331122331   >>    C2221232323213331311331333133313231333132313232222121223133112233   <<    C22212323232133313113313331333132313331323132322221212231331122333   >>      C22212323232133313113313331333132313331323132322221212231331122332   >>