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

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

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

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

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