B33113313132313113313223313331323331313331322331333132333132313233313231231   >>    B3311331313231311331322331333132333131333132233133313233313231323331323123   <<    B33113313132313113313223313331323331313331322331333132333132313233313231233   >>      B33113313132313113313223313331323331313331322331333132333132313233313231232   >>