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

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

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

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

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