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

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

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

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

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