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

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

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

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

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