C22212323232133313113313331333132313331323132313331132212231333232311   >>    C2221232323213331311331333133313231333132313231333113221223133323231   <<    C22212323232133313113313331333132313331323132313331132212231333232313   >>      C22212323232133313113313331333132313331323132313331132212231333232312   >>