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

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

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

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

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