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

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

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

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

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