B33113313132313113313223313331323223313221123313231323223313231323132233231   >>    B3311331313231311331322331333132322331322112331323132322331323132313223323   <<    B33113313132313113313223313331323223313221123313231323223313231323132233233   >>      B33113313132313113313223313331323223313221123313231323223313231323132233232   >>