Existing Block 0:
Immovable:
Row:
StartColumn:
EndColumn:
Existing Block 1:
Immovable:
Row:
StartColumn:
EndColumn:
Existing Block 2:
Immovable:
Row:
StartColumn:
EndColumn:
Existing Block 3:
Immovable:
Row:
StartColumn:
EndColumn:
Existing Block 4:
Immovable:
Row:
StartColumn:
EndColumn:


New Block
StartColumn:
EndColumn:
Row*:
New Block
StartColumn:
EndColumn:
Row*:
*if you select a row, all new blocks will be immovable