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

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

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

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

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