D2333131333132213231323223313232113313233213232223323132313231221   >>    D233313133313221323132322331323211331323321323222332313231323122   <<    D2333131333132213231323223313232113313233213232223323132313231223   >>      D2333131333132213231323223313232113313233213232223323132313231222   >>