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Hello, As seen in the picture above, the 1st floor is getting smaller. On the ground floor and basement floor, the walls pass under the beams inserted into the column on the right. Therefore, can I go up two floors and continue only the left column on the 1st floor with a 155 cm curtain with the columns I have defined at the ends on the ground floor and in the basement (column=50 + mid-curtain=55 + column=50)?