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