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

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

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

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

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