C11111333133313232233133313331333131133132313311211111133131133222311   >>    C1111133313331323223313331333133313113313231331121111113313113322231   <<    C11111333133313232233133313331333131133132313311211111133131133222313   >>      C11111333133313232233133313331333131133132313311211111133131133222312   >>