D2333131333132213231323223313112113313231333132223133313231232313232311   >>    D233313133313221323132322331311211331323133313222313331323123231323231   <<    D2333131333132213231323223313112113313231333132223133313231232313232313   >>      D2333131333132213231323223313112113313231333132223133313231232313232312   >>