GramL10:=[ [ -2, 0, 0, 1, 0, 0, 0, 0, 0, 0 ], [ 0, -2, 1, 0, 0, 0, 0, 0, 0, 0 ], [ 0, 1, -2, 1, 0, 0, 0, 0, 0, 0 ], 
  [ 1, 0, 1, -2, 1, 0, 0, 0, 0, 0 ], [ 0, 0, 0, 1, -2, 1, 0, 0, 0, 0 ], [ 0, 0, 0, 0, 1, -2, 1, 0, 0, 0 ], [ 0, 0, 0, 0, 0, 1, -2, 1, 0, 0 ], 
  [ 0, 0, 0, 0, 0, 0, 1, -2, 1, 0 ], [ 0, 0, 0, 0, 0, 0, 0, 1, -2, 1 ], [ 0, 0, 0, 0, 0, 0, 0, 0, 1, -2 ] ];