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

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

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

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

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