D12121323331322331313232313132313231322132313232233132322132313231111   >>    D1212132333132233131323231313231323132213231323223313232213231323111   <<    D12121323331322331313232313132313231322132313232233132322132313231113   >>      D12121323331322331313232313132313231322132313232233132322132313231112   >>