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

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

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

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

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