D2333131333132213231323223313112113313231323133313223313132313123221   >>    D233313133313221323132322331311211331323132313331322331313231312322   <<    D2333131333132213231323223313112113313231323133313223313132313123223   >>      D2333131333132213231323223313112113313231323133313223313132313123222   >>