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