PATTERN INDEX ; index name of the picture 0 0.gif 1 1.gif 2 2.gif 3 3.gif 4 4.gif PATTERN MATCH ; blank1(cyan blank) blank2(white blank) middle left right matches(0 means left, 1 means right) 0 1 2 2 3 0 0 1 2 3 2 1 0 1 2 2 4 0 0 1 2 4 2 1 0 1 3 2 3 1 0 1 3 3 2 0 0 1 3 3 4 0 0 1 3 4 3 1 0 1 4 4 2 0 0 1 4 2 4 1 0 1 4 4 3 0 0 1 4 3 4 1