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

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

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

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

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