C222123232321333131133133313331333132313231333133322331223233132313121   >>    C22212323232133313113313331333133313231323133313332233122323313231312   <<    C222123232321333131133133313331333132313231333133322331223233132313123   >>      C222123232321333131133133313331333132313231333133322331223233132313122   >>