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