C11112331333132311331333132313331333131133131133132322113121121   >>    C1111233133313231133133313231333133313113313113313232211312112   <<    C11112331333132311331333132313331333131133131133132322113121123   >>      C11112331333132311331333132313331333131133131133132322113121122   >>