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