(0 19 17 14 3)(1 5 2)(4 9 7)(6 16 12 10 8)(11 15 13)(18 21 20)
ALLOWS (11/8)-SEQUENCE
1: (1 5 15)
(0 19 17 14 3)(1 13 11 15 2)(4 9 7)(5)(6 16 12 10 8)(18 21 20)
2: (3 17 14)
(0 19 17)(1 13 11 15 2)(3)(4 9 7)(5)(6 16 12 10 8)(14)(18 21 20)
3: (2 11 15)
(0 19 17)(1 13 11)(2)(3)(4 9 7)(5)(6 16 12 10 8)(14)(15)(18 21 20)
4: (10 16 12)
(0 19 17)(1 13 11)(2)(3)(4 9 7)(5)(6 16 8)(10)(12)(14)(15)(18 21 20)