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