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

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

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

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

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