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