C3123121111331312121111331333132313331333133313331321123232233111   >>    C312312111133131212111133133313231333133313331333132112323223311   <<    C3123121111331312121111331333132313331333133313331321123232233113   >>      C3123121111331312121111331333132313331333133313331321123232233112   >>