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

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

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

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

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