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

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

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

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

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