C11111333133313232233133313331333131133132233133313331323221223321   >>    C1111133313331323223313331333133313113313223313331333132322122332   <<    C11111333133313232233133313331333131133132233133313331323221223323   >>      C11111333133313232233133313331333131133132233133313331323221223322   >>