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

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

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

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

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