C22212323232133313113313331333132313331323132321111312232131111   >>    C2221232323213331311331333133313231333132313232111131223213111   <<    C22212323232133313113313331333132313331323132321111312232131113   >>      C22212323232133313113313331333132313331323132321111312232131112   >>