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

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

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

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

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