B33113313132313113313223313331323132313233313331313331333132322121123231   >>    B3311331313231311331322331333132313231323331333131333133313232212112323   <<    B33113313132313113313223313331323132313233313331313331333132322121123233   >>      B33113313132313113313223313331323132313233313331313331333132322121123232   >>