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

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

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

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

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