(6)(5)(5)(5) (6)(5)(5)(5) (7) (5)(5)(5)(8)7(6) 6 (6)(5)(5)(5) (6)(5)(5)(5) (7) (5)(5)(5)(8)7(6) 6 ref. (6)(8)(8)7(7)(8)7(7)(6) (6)(8)(8)7(7)(8)7(7)(6)
(6)(5)(5)(5) (6)(5)(5)(5) (7) (5)(5)(5)(8)7(6) 6 (6)(5)(5)(5) (6)(5)(5)(5) (7) (5)(5)(5)(8)7(6) 6 ref. (6)(8)(8)7(7)(8)7(7)(6) (6)(8)(8)7(7)(8)7(7)(6)