alias col {
  say 4 $+ $1-
  say 7 $+ $1-
  say 8 $+ $1-
  say 3 $+ $1-
  say 12 $+ $1-
  say 6 $+ $1-
  say 13 $+ $1-
  say 9 $+ $1-
  say 10 $+ $1-
}