i1i2i3i4i5i6i7i8i9i10i11i12i13i14i15i16i17i18i19i20i21i22i23i24i25i26i27i28i29i30i31i32i33i34i35i36i37i38i39i40i41i42i43i44i45i46i47i48i49i50i51i52i53i54i55i56i57
l1l2l3l4l5l6l7l8l9l10l11l12l13l14l15l16l17l18l19l20l21l22l23l24l25l26l27l28l29l30l31l32l33l34l35l36l37l38l39l40l41l42l43l44l45l46l47l48l49l50l51l52l53l54l55l56l57l58l59l60
y1y2y3y4y5y6y7y8y9y10y11y12y13y14y15y16y17y18y19y20y21y22y23y24y25y26y27y28y29y30y31y32y33y34y35y36y37y38y39y40y41y42y43y44y45y46y47y48y49y50y51y52y53y54y55y56y57y58y59y60y61y62y63y64y65y66y67y68y69y70y71y72y73
b1b2b3b4b5b6b7b8b9b10b11b12b13b14b15b16b17b18b19b20b21b22b23b24b25b26b27b28b29b30b31b32b33b34b35b36b37b38b39b40b41b42b43b44b45b46b47b48b49b50
i1i2i3i4i5i6i7i8i9i10i11i12i13i14i15i16i17i18i19i20i21i22i23i24i25i26i27i28i29i30i31i32i33i34i35i36i37i38i39i40i41i42i43i44i45i46i47i48i49i50i51i52i53i54i55i56i57
t1t2t3t4t5t6t7t8t9t10t11t12t13t14t15t16t17t18t19t20t21t22t23t24t25t26t27t28t29t30t31t32t33t34t35t36t37t38t39t40t41t42t43t44t45t46t47t48t49t50t51t52t53t54t55t56t57t58t59t60t61t62t63t64t65t66t67t68