H123233313231333131333132233132313231323221211113313223311232221   >>    H12323331323133313133313223313231323132322121111331322331123222   <<    H123233313231333131333132233132313231323221211113313223311232223   >>      H123233313231333131333132233132313231323221211113313223311232222   >>