D131333132213233313233313231231232333132322331311331323331323133313231212331   >>    D13133313221323331323331323123123233313232233131133132333132313331323121233   <<    D131333132213233313233313231231232333132322331311331323331323133313231212333   >>      D131333132213233313233313231231232333132322331311331323331323133313231212332   >>