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

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

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

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

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