memblock{26}: abcdefghijklmnopqrstuvwxyz
memblock{26}: abcdefghijklmnopqrstuvwxyz
memblock{26}: abcdefghijklmnopqrstuvwxyz
memblock{35}: abcde---------fghijklmnopqrstuvwxyz
memblock{28}: ab-----fghijklmnopqrs=======
memblock{28}: ab---TESTTESTTESTpqrs=======
memblock{50}: ab---TESTTESTTESTpqrs=====-+=-+=-+=-+=-+=-+=-+=-+=
memblock{0}: 
memblock{39}: ab---TESTTESTTESTpqrs=====-+=-+=-+=-+=-