X           MMMMMMMM     ZN X N   T                  HMMMMMMMM H                 H  X      H                 H  X      H                 H T TTTTTTH                 H  X                        H         N     N   N  T    H       XXXXXXXMMMMMMMX H   H                  N  E H   H      R  M      MMMMMMMHM  H         M          N  H   H         M             H   HM        M             H   HM        M             H   H        EM   TTTTTT    H   HMMMMMMMMMMM  N     N   H   H         MMMMMMM  MMMM H   H         M          N  H   H                MMMMMMMMMMM