C111123313331323113313331333133313331323132333132313331323312112232321   >>    C11112331333132311331333133313331333132313233313231333132331211223232   <<    C111123313331323113313331333133313331323132333132313331323312112232323   >>      C111123313331323113313331333133313331323132333132313331323312112232322   >>