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

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

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

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

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