D2333131333132213231323223313112113313233313331323133313233313231121231   >>    D233313133313221323132322331311211331323331333132313331323331323112123   <<    D2333131333132213231323223313112113313233313331323133313233313231121233   >>      D2333131333132213231323223313112113313233313331323133313233313231121232   >>