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

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

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

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

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