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

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

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

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

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