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