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

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

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

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

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