C22212323232133313113313331333132313331323132322113333211313132231   >>    C2221232323213331311331333133313231333132313232211333321131313223   <<    C22212323232133313113313331333132313331323132322113333211313132233   >>      C22212323232133313113313331333132313331323132322113333211313132232   >>