Data:T(9,5)/PD Presentation

[math]\displaystyle{ X(1,31,2,30) X(2,46,3,45) X(3,61,4,60) X(8,24,9,23) X(9,39,10,38) X(10,54,11,53) X(11,69,12,68) X(16,32,17,31) X(17,47,18,46) X(18,62,19,61) X(19,5,20,4) X(24,40,25,39) X(25,55,26,54) X(26,70,27,69) X(27,13,28,12) X(32,48,33,47) X(33,63,34,62) X(34,6,35,5) X(35,21,36,20) X(40,56,41,55) X(41,71,42,70) X(42,14,43,13) X(43,29,44,28) X(48,64,49,63) X(49,7,50,6) X(50,22,51,21) X(51,37,52,36) X(56,72,57,71) X(57,15,58,14) X(58,30,59,29) X(59,45,60,44) X(64,8,65,7) X(65,23,66,22) X(66,38,67,37) X(67,53,68,52) X(72,16,1,15) }[/math]