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

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

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

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

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