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

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

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

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

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