C11112331333132311331333132313331333131133131133133313311211113322132331   >>    C1111233133313231133133313231333133313113313113313331331121111332213233   <<    C11112331333132311331333132313331333131133131133133313311211113322132333   >>      C11112331333132311331333132313331333131133131133133313311211113322132332   >>