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

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

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

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

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