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

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

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

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

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