C111123313331323113313331333133313331323132311233132322131133132233131   >>    C11112331333132311331333133313331333132313231123313232213113313223313   <<    C111123313331323113313331333133313331323132311233132322131133132233133   >>      C111123313331323113313331333133313331323132311233132322131133132233132   >>