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

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

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

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

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