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

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

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

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

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