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