C11111333133313232233133313331333131133132313311211111211113332131   >>    C1111133313331323223313331333133313113313231331121111121111333213   <<    C11111333133313232233133313331333131133132313311211111211113332133   >>      C11111333133313232233133313331333131133132313311211111211113332132   >>