D12121323331322331313232223132313231323331323232233132333112321   >>    D1212132333132233131323222313231323132333132323223313233311232   <<    D12121323331322331313232223132313231323331323232233132333112323   >>      D12121323331322331313232223132313231323331323232233132333112322   >>