C1111121111331311211331333133313331333133313232212111111331131221   >>    C111112111133131121133133313331333133313331323221211111133113122   <<    C1111121111331311211331333133313331333133313232212111111331131223   >>      C1111121111331311211331333133313331333133313232212111111331131222   >>