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

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

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

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

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