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