C22212323232133313113313331333132313331311211112111322113223221   >>    C2221232323213331311331333133313231333131121111211132211322322   <<    C22212323232133313113313331333132313331311211112111322113223223   >>      C22212323232133313113313331333132313331311211112111322113223222   >>