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

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

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

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

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