After much consideration and discussion, sometimes with emotional tones, it was agreed to increase the height of the superstructure evenly by 150 mm, and extend it towards aft by 300 mm.

In this way, the height in the middle of the cabin become 1950 mm, and the space in the cabin also increased by 300 mm, on the starboard side between the helm place and the toilet, and on the port side there become more space at the table, which transforms into a berth place 1800 mm long.