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

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

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

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

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