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

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

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

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

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