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

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

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

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

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