D3313221123132313231323233231323223313232233133112112323132322221   >>    D331322112313231323132323323132322331323223313311211232313232222   <<    D3313221123132313231323233231323223313232233133112112323132322223   >>      D3313221123132313231323233231323223313232233133112112323132322222   >>