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

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

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

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

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