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

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

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

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

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