D121213233313131333132333131211113313232213231333132322331322311   >>    D12121323331313133313233313121111331323221323133313232233132231   <<    D121213233313131333132333131211113313232213231333132322331322313   >>      D121213233313131333132333131211113313232213231333132322331322312   >>