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

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

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

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

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