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