H12323331323133313133313223313231323223313232213231331123123211   >>    H1232333132313331313331322331323132322331323221323133112312321   <<    H12323331323133313133313223313231323223313232213231331123123213   >>      H12323331323133313133313223313231323223313232213231331123123212   >>