B33113313132313113313223313331323132313233313132233133313331231   >>    B3311331313231311331322331333132313231323331313223313331333123   <<    B33113313132313113313223313331323132313233313132233133313331233   >>      B33113313132313113313223313331323132313233313132233133313331232   >>