C111123313331323113313331333133313331323132311331323223313232131   >>    C11112331333132311331333133313331333132313231133132322331323213   <<    C111123313331323113313331333133313331323132311331323223313232133   >>      C111123313331323113313331333133313331323132311331323223313232132   >>