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