C222123232321333131133133313331333132313231333133322331223233213231121   >>    C22212323232133313113313331333133313231323133313332233122323321323112   <<    C222123232321333131133133313331333132313231333133322331223233213231123   >>      C222123232321333131133133313331333132313231333133322331223233213231122   >>