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

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

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

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

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