D1212132333131313331323331312111133132322132313331323221323222311   >>    D121213233313131333132333131211113313232213231333132322132322231   <<    D1212132333131313331323331312111133132322132313331323221323222313   >>      D1212132333131313331323331312111133132322132313331323221323222312   >>