C111123313121111121111331333132313331323132321133132313231323223311   >>    C11112331312111112111133133313231333132313232113313231323132322331   <<    C111123313121111121111331333132313331323132321133132313231323223313   >>      C111123313121111121111331333132313331323132321133132313231323223312   >>