D12121212213231323132323323132322331311331313232233132313231333132211331   >>    D1212121221323132313232332313232233131133131323223313231323133313221133   <<    D12121212213231323132323323132322331311331313232233132313231333132211333   >>      D12121212213231323132323323132322331311331313232233132313231333132211332   >>