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

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

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

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

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