D132311233131333132233131322331313232213231323131323331323132313331323222121   >>    D13231123313133313223313132233131323221323132313132333132313231333132322212   <<    D132311233131333132233131322331313232213231323131323331323132313331323222123   >>      D132311233131333132233131322331313232213231323131323331323132313331323222122   >>