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

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

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

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

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