D121213233313131333132333131211113313232213231333132322132322131   >>    D12121323331313133313233313121111331323221323133313232213232213   <<    D121213233313131333132333131211113313232213231333132322132322133   >>      D121213233313131333132333131211113313232213231333132322132322132   >>