(0 20 4)(1 17 2)(3 8 5)(6 18 13 11 10)(7 16 14 12 9)(15 21 19)
ALLOWS (11/8)-SEQUENCE
1: (1 10 13)

(0 20 4)(1 11 10 17 2)(3 8 5)(6 18 13)(7 16 14 12 9)(15 21 19)
2: (9 14 12)

(0 20 4)(1 11 10 17 2)(3 8 5)(6 18 13)(7 16 14)(9)(12)(15 21 19)
3: (6 18 13)

(0 20 4)(1 11 10 17 2)(3 8 5)(6)(7 16 14)(9)(12)(13)(15 21 19)(18)
4: (2 10 17)

(0 20 4)(1 11 10)(2)(3 8 5)(6)(7 16 14)(9)(12)(13)(15 21 19)(17)(18)