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

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

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

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

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