C13332313311211113313331333133313133313232233121111331333133313113313232131   >>    C1333231331121111331333133313331313331323223312111133133313331311331323213   <<    C13332313311211113313331333133313133313232233121111331333133313113313232133   >>      C13332313311211113313331333133313133313232233121111331333133313113313232132   >>