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