D12121323331322132313331322132313233313233313211231232313232233221   >>    D1212132333132213231333132213231323331323331321123123231323223322   <<    D12121323331322132313331322132313233313233313211231232313232233223   >>      D12121323331322132313331322132313233313233313211231232313232233222   >>