fid = fopen('t.txt');
out=textscan(fid,repmat('%f',[1,12]),'delimiter',{'\t',',','{','}'},'MultipleDelimsAsOne',1)
fclose(fid)
out=cell2mat(out);
out=reshape(out,[80,4,3])
or perhaps you need to add this line to get the right structure
out = permute(out,[1 3 2]);
