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

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

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

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

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