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

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

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

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

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