C11231323321111331312111133133313331323223313231333131133132313331333132312331   >>    C1123132332111133131211113313331333132322331323133313113313231333133313231233   <<    C11231323321111331312111133133313331323223313231333131133132313331333132312333   >>      C11231323321111331312111133133313331323223313231333131133132313331333132312332   >>