C11111333133313232233133313331333131133132313331333133323321223321   >>    C1111133313331323223313331333133313113313231333133313332332122332   <<    C11111333133313232233133313331333131133132313331333133323321223323   >>      C11111333133313232233133313331333131133132313331333133323321223322   >>