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

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

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

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

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