D12121212213231323132323323132322331323223313113121123313231313233231   >>    D1212121221323132313232332313232233132322331311312112331323131323323   <<    D12121212213231323132323323132322331323223313113121123313231313233233   >>      D12121212213231323132323323132322331323223313113121123313231313233232   >>