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