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

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

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

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

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