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

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

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

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

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