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

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

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

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

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