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

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

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

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

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