D121212121213132313113313231123313231323132322131323132333132233221   >>    D12121212121313231311331323112331323132313232213132313233313223322   <<    D121212121213132313113313231123313231323132322131323132333132233223   >>      D121212121213132313113313231123313231323132322131323132333132233222   >>