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

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

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

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

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