(0 21 16)(1 12 3 20 4)(2 7 5)(6 10 8)(9 19 18 14 11)(13 17 15)
ALLOWS (11/8)-SEQUENCE
1: (0 3 16)

(0)(1 12 3 21 16 20 4)(2 7 5)(6 10 8)(9 19 18 14 11)(13 17 15)
2: (12 16 20)

(0)(1 12 4)(2 7 5)(3 21 16)(6 10 8)(9 19 18 14 11)(13 17 15)(20)
3: (11 18 14)

(0)(1 12 4)(2 7 5)(3 21 16)(6 10 8)(9 19 18)(11)(13 17 15)(14)(20)
4: (13 17 15)

(0)(1 12 4)(2 7 5)(3 21 16)(6 10 8)(9 19 18)(11)(13)(14)(15)(17)(20)