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

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

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

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

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