D11213232233132233131121323132313231232313232233132333133313232232321   >>    D1121323223313223313112132313231323123231323223313233313331323223232   <<    D11213232233132233131121323132313231232313232233132333133313232232323   >>      D11213232233132233131121323132313231232313232233132333133313232232322   >>