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

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

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

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

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