D12121323331311112113313232112323132313232113313231323121111331323223313211   >>    D1212132333131111211331323211232313231323211331323132312111133132322331321   <<    D12121323331311112113313232112323132313232113313231323121111331323223313213   >>      D12121323331311112113313232112323132313232113313231323121111331323223313212   >>