-\version "2.16.0"
+\version "2.19.21"
\header {
texidoc = "Seconds do not confuse the collision algorithm.
more space to make clear which notes belong to which voice."
}
-\relative f << {
+\relative << {
<a' b>2 <a b d e> <a e' f> <a e' f> <a b c> <f g a>
\bar "||" <f g c> <g a c> <f g c d> <f g c d>
} \\ {