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

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

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

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

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