D131333132213233313233313231231232333132322331311331323221323123231   >>    D13133313221323331323331323123123233313232233131133132322132312323   <<    D131333132213233313233313231231232333132322331311331323221323123233   >>      D131333132213233313233313231231232333132322331311331323221323123232   >>