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

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

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

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

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