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

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

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

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

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