(0 20 17)(1 19 7)(2 16 4)(3 13 5)(6 10 8)(9 14 11)(12 18 15)
ALLOWS (11/8)-SEQUENCE
1: (3 13 17)

(0 20 17 5 3)(1 19 7)(2 16 4)(6 10 8)(9 14 11)(12 18 15)(13)
2: (2 16 4)

(0 20 17 5 3)(1 19 7)(2)(4)(6 10 8)(9 14 11)(12 18 15)(13)(16)
3: (12 18 15)

(0 20 17 5 3)(1 19 7)(2)(4)(6 10 8)(9 14 11)(12)(13)(15)(16)(18)
4: (5 20 17)

(0 20 3)(1 19 7)(2)(4)(5)(6 10 8)(9 14 11)(12)(13)(15)(16)(17)(18)