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

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

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

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

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