C11111333133313232233133313331333131133132221121111331323132131   >>    C1111133313331323223313331333133313113313222112111133132313213   <<    C11111333133313232233133313331333131133132221121111331323132133   >>      C11111333133313232233133313331333131133132221121111331323132132   >>