D12121323331322331313232223132313231333132313223313133112112321   >>    D1212132333132233131323222313231323133313231322331313311211232   <<    D12121323331322331313232223132313231333132313223313133112112323   >>      D12121323331322331313232223132313231333132313223313133112112322   >>