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

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

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

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

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