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

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

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

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

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