C222123232321333131133133313331333132313231333133322331223233222111   >>    C22212323232133313113313331333133313231323133313332233122323322211   <<    C222123232321333131133133313331333132313231333133322331223233222113   >>      C222123232321333131133133313331333132313231333133322331223233222112   >>