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

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

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

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

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