Write a SAS DATA step to read the following lines of data. Each line contains a three-digit number, a two-digit number, and a four-digit number, with four sets of numbers for each subject. Name your...

Write a SAS DATA step to read the following lines of data. Each line contains a three-digit number, a two-digit number, and a four-digit number, with four sets of numbers for each subject. Name your variables THREE1-THREE4, TWOI-TW04, and FOURI-FOUR4, where the THREE variables represent the three-digit numbers, etc. Use variable lists and informat lists to solve this problem. Here are some sample data lines: