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

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

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

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

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