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

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

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

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

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