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

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

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

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

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