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