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

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

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

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

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