C3123121111331312121111331333132313331333133313331312111111331322322331   >>    C312312111133131212111133133313231333133313331333131211111133132232233   <<    C3123121111331312121111331333132313331333133313331312111111331322322333   >>      C3123121111331312121111331333132313331333133313331312111111331322322332   >>