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