B2311232333132313231322331333132333132322331323132313232233132231   >>    B231123233313231323132233133313233313232233132313231323223313223   <<    B2311232333132313231322331333132333132322331323132313232233132233   >>      B2311232333132313231322331333132333132322331323132313232233132232   >>