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

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

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

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

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