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

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

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

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

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