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

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

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

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

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