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

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

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

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

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