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

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

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

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

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