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

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

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

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

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