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

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

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

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

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