D12121212213231323132323323132322331323223313113121123313231313233321   >>    D1212121221323132313232332313232233132322331311312112331323131323332   <<    D12121212213231323132323323132322331323223313113121123313231313233323   >>      D12121212213231323132323323132322331323223313113121123313231313233322   >>