D12121323331322331311132313132313233313233313331313231122112323211   >>    D1212132333132233131113231313231323331323331333131323112211232321   <<    D12121323331322331311132313132313233313233313331313231122112323213   >>      D12121323331322331311132313132313233313233313331313231122112323212   >>