C11112331333132311331333132313331333131133132323213231333132313331333113231   >>    C1111233133313231133133313231333133313113313232321323133313231333133311323   <<    C11112331333132311331333132313331333131133132323213231333132313331333113233   >>      C11112331333132311331333132313331333131133132323213231333132313331333113232   >>