C11112331333132311331333132313331333131133131133131122112323113311   >>    C1111233133313231133133313231333133313113313113313112211232311331   <<    C11112331333132311331333132313331333131133131133131122112323113313   >>      C11112331333132311331333132313331333131133131133131122112323113312   >>