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

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

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

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

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