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

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

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

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

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