D1121323223313223313112132313231323132312323223313233313331323132322131   >>    D112132322331322331311213231323132313231232322331323331333132313232213   <<    D1121323223313223313112132313231323132312323223313233313331323132322133   >>      D1121323223313223313112132313231323132312323223313233313331323132322132   >>