D1212132333131333131323211232313233313232332333131333132313231313232233231   >>    D121213233313133313132321123231323331323233233313133313231323131323223323   <<    D1212132333131333131323211232313233313232332333131333132313231313232233233   >>      D1212132333131333131323211232313233313232332333131333132313231313232233232   >>