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

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

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

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

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