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

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

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

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

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