The Rio y Mar and Pappilon ( built as Frisiana -Aja M) alongside each other , moored at the dolphins outside the Locks in Delzijl.
It was very common that the ships would pan through the locks and wait at the Dolpins for several reasons.
e.g waiting for better weather, the tide or even because of sunday.The locks used to be closed at sunday ( those were the days

)
(picture used with kind permission Harry de Groot)