D11213232233132233131121323132313231232313232233132333133313111123231   >>    D1121323223313223313112132313231323123231323223313233313331311112323   <<    D11213232233132233131121323132313231232313232233132333133313111123233   >>      D11213232233132233131121323132313231232313232233132333133313111123232   >>