C111123313331323113313331333133313331323132311233132322131133132321   >>    C11112331333132311331333133313331333132313231123313232213113313232   <<    C111123313331323113313331333133313331323132311233132322131133132323   >>      C111123313331323113313331333133313331323132311233132322131133132322   >>