C22212323232133313113313331333132313331323132313331132213123212133231   >>    C2221232323213331311331333133313231333132313231333113221312321213323   <<    C22212323232133313113313331333132313331323132313331132213123212133233   >>      C22212323232133313113313331333132313331323132313331132213123212133232   >>