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

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

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

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

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