C11112331333132311331333132313331333131133131133132313231333132321   >>    C1111233133313231133133313231333133313113313113313231323133313232   <<    C11112331333132311331333132313331333131133131133132313231333132323   >>      C11112331333132311331333132313331333131133131133132313231333132322   >>