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

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

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

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

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