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

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

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

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

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