C11112331333132311331333132313331333131133131133133313331323213233231331   >>    C1111233133313231133133313231333133313113313113313331333132321323323133   <<    C11112331333132311331333132313331333131133131133133313331323213233231333   >>      C11112331333132311331333132313331333131133131133133313331323213233231332   >>