ctbl:=[ [ 1, 55, 55, 66, 165, 330 ], [ 1, -25, 15, -6, 45, -30 ], [ 1, 13, 13, -18, -3, -6 ], [ 1, 7, -5, 6, 9, -18 ], [ 1, -3, -7, -6, 1, 14 ], [ 1, -3, 5, 6, -11, 2 ] ];