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

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

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

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

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