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