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

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

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

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

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