Code:
HEADER_1,HEADER_2,HEADER_3,HEADER_4,HEADER_5,HEADER_6,HEADER_7
pattern2,pattern7/Sub data1/Sub data2,pattern8,pattern9,pattern2,pattern2,
pattern3,pattern6/Sub data1/Sub data2,pattern7,pattern3,pattern5,pattern1,
pattern5,pattern9/Sub data1/Sub data2,pattern4,pattern8,pattern4,pattern1,
pattern1,pattern5/Sub data1/Sub data2,pattern5,pattern2,pattern5,pattern2,
pattern6,pattern7/Sub data1/Sub data2,pattern1,pattern6,pattern2,pattern3,
pattern3,pattern8/Sub data1/Sub data2,pattern9,pattern7,pattern5,pattern8,
pattern8,pattern2/Sub data1/Sub data2,pattern3,pattern2,pattern8,pattern1,
pattern2,pattern4/Sub data1/Sub data2,pattern9,pattern1,pattern9,pattern9,