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

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

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

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

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