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

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

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

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

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