D12121323331322132313331322132313233313233313211231232313232233231   >>    D1212132333132213231333132213231323331323331321123123231323223323   <<    D12121323331322132313331322132313233313233313211231232313232233233   >>      D12121323331322132313331322132313233313233313211231232313232233232   >>