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

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

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

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

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