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