C111123313121111121111331333132313331333132212131133132312323131   >>    C11112331312111112111133133313231333133313221213113313231232313   <<    C111123313121111121111331333132313331333132212131133132312323133   >>      C111123313121111121111331333132313331333132212131133132312323132   >>