D1212132333131313331323331312111133132322132313331323132322233111   >>    D121213233313131333132333131211113313232213231333132313232223311   <<    D1212132333131313331323331312111133132322132313331323132322233113   >>      D1212132333131313331323331312111133132322132313331323132322233112   >>