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