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

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

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

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

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