C111123313331323113313331333133313331323132311331323223313223231   >>    C11112331333132311331333133313331333132313231133132322331322323   <<    C111123313331323113313331333133313331323132311331323223313223233   >>      C111123313331323113313331333133313331323132311331323223313223232   >>