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

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

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

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

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