H12323331323133313133313223313231323133313233311221123232332211   >>    H1232333132313331313331322331323132313331323331122112323233221   <<    H12323331323133313133313223313231323133313233311221123232332213   >>      H12323331323133313133313223313231323133313233311221123232332212   >>