D121213233313133313132321123231323331323233233313133313231323331323223321   >>    D12121323331313331313232112323132333132323323331313331323132333132322332   <<    D121213233313133313132321123231323331323233233313133313231323331323223323   >>      D121213233313133313132321123231323331323233233313133313231323331323223322   >>