I233231323331311331313232233132313331331123223313223313231323132321231   >>    I23323132333131133131323223313231333133112322331322331323132313232123   <<    I233231323331311331313232233132313331331123223313223313231323132321233   >>      I233231323331311331313232233132313331331123223313223313231323132321232   >>