H123233313231333131333132233132313123231323223313211232313232221   >>    H12323331323133313133313223313231312323132322331321123231323222   <<    H123233313231333131333132233132313123231323223313211232313232223   >>      H123233313231333131333132233132313123231323223313211232313232222   >>