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

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

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

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

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