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

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

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

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

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