D12121212213231323132323323132322331323131123313231322132322111   >>    D1212121221323132313232332313232233132313112331323132213232211   <<    D12121212213231323132323323132322331323131123313231322132322113   >>      D12121212213231323132323323132322331323131123313231322132322112   >>