D2333131333132213231323223313112113313231333132213132313231323121   >>    D233313133313221323132322331311211331323133313221313231323132312   <<    D2333131333132213231323223313112113313231333132213132313231323123   >>      D2333131333132213231323223313112113313231333132213132313231323122   >>