A1,A2,A3,A4
B1,B2,B3,B4
1,Just some data,c29tZSBzdHJpbmc=
C1,C2,C3,C4
D1,VGhpcyBpcyBkZWNvZGVkIQ==,D3,D4,GibberishdlkfjsDKjdlslksJAoiasosaSDSD==