C1212132133313223313133313113313121111331311331311331323131233131   >>    C121213213331322331313331311331312111133131133131133132313123313   <<    C1212132133313223313133313113313121111331311331311331323131233133   >>      C1212132133313223313133313113313121111331311331311331323131233132   >>