C11111333133313232233133313331333131133131211111333132313133231   >>    C1111133313331323223313331333133313113313121111133313231313323   <<    C11111333133313232233133313331333131133131211111333132313133233   >>      C11111333133313232233133313331333131133131211111333132313133232   >>