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

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

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

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

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