D12121212213231323132323323132322331323223313113121123313231333131   >>    D1212121221323132313232332313232233132322331311312112331323133313   <<    D12121212213231323132323323132322331323223313113121123313231333133   >>      D12121212213231323132323323132322331323223313113121123313231333132   >>