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