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