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