C22212323232133313113313331333133313231323133313332233122323131133111121   >>    C2221232323213331311331333133313331323132313331333223312232313113311112   <<    C22212323232133313113313331333133313231323133313332233122323131133111123   >>      C22212323232133313113313331333133313231323133313332233122323131133111122   >>