Hello, please I am building a model but encountering some difficulties.I want itemtype1(boxes) which are on a pallet to occupy rack5,bay 1 to bay 3.Itemype2 on pallet to occupy rack5,bay 4 to bay 6.Itemtype3 on pallet to occupy rack4,bay 1 to bay 3.Itemtype4 to occupy rack 4,bay 4 to bay 7.Itemtype5 to occupy rack 4,bay 8 to bay 12.Itemtype6 to occupy rack4,bay 13 to bay 16.Itemtype7 to occupy rack4,bay 17 to bay 20.Itemtype8 to occupy rack6,bay 1 to bay 10.Iemtype9 to occupy rack6,bay 11 to bay 20.Itemtype10 to occupy rack7,bay 1 to bay 5.Itemtype11 to occupy rack7 bay 6 to bay 10.Itemtype12 to occupy rack 7,bay 11 to bay 15.Itemtype13 to occupy rack7,bay 16 to bay 20.Itemtype14 to occupy rack9,bay 1 to bay 11.Itemtype15 rack8,bay 1 to bay 9.Itemtype16 to occupy rack8 bay10 to bay 11.Itemtype 17 to occupy rack11 bay 1 to bay 7.Itemtype18 to occupy rack10 bay1 to bay11.Itemtype19 to occupy queue20 and queue23.Itemtype20 to occupy queue19.Itentype21 to occupy queue18.Itemtype22 to occupy queue22.Also each cell should contain only one pallet with specific itemtype. Thank you.