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Note that the point of the following problems is not to memorize the classification system, but rather to be able to make sense of this kind of a system, interpret what the symbols mean, and apply it to new situations.
Mathematicians have developed a two-character notation to denote each possible frieze pattern.
• | The first character is m or 1 according to whether there is reflection over a vertical line or not. |
• | The second character is m if there is a reflection over a horizontal line, g if there is a glide reflection, 2 if there is a rotation, and 1 if none of these exist. |
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