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

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

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

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

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