(3+1)(6−+1)−19−
(6−+1)⋅3+1(6−+1)−19−
9−14+13+1(6−+1)−19−
9−14+3+1(6−+1)−19−
9−14+3+6−+1−19−
9+6−14+3−+1−19−
(3+1)(6−+1)−19−
(6−+1)⋅3+1(6−+1)−19−
(6−+1)⋅3+1(6−+1)−19−
9−14+13+1(6−+1)−19−
9−14+13+1(6−+1)−19−
9−14+3+1(6−+1)−19−
9−14+3+1(6−+1)−19−
9−14+3+6−+1−19−
9−14+3+6−+1−19−
9+6−14+3−+1−19−