D2333131333132213231323223313112113313231323133313231333132322331322121   >>    D233313133313221323132322331311211331323132313331323133313232233132212   <<    D2333131333132213231323223313112113313231323133313231333132322331322123   >>      D2333131333132213231323223313112113313231323133313231333132322331322122   >>