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