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

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

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

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

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