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

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

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

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

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