[dev gr;port]
[blank 6.2,.3,7.8,.6;size .1]
[move 0,0.01;draw 14,0.01;move 0,1;draw 14,1]
[move 0,2;draw 14,2;move 0,3;draw 14,3]
[move 0,4;draw 14,4;move 0,5;draw 14,5]
[move 0,6;draw 14,6;move 0,7;draw 14,7]
[move 0,8;draw 14,8;move 0,9;draw 14,9]
[move 0,10;draw 14,10;move 0,10.97;draw 14,10.97]
[move 0,0;draw 0,11;move 1,0;draw 1,11]
[move 2,0;draw 2,11;move 3,0;draw 3,11]
[move 4,0;draw 4,11;move 5,0;draw 5,11]
[move 6,0;draw 6,11;move 7,0;draw 7,11]
[move 8,0;draw 8,11;move 9,0;draw 9,11]
[move 10,0;draw 10,11;move 11,0;draw 11,11]
[move 12,0;draw 12,11;move 13,0;draw 13,11]
[move 13.99,0;draw 13.99,11]
[move .1,.1]0[move 1.1,.1]1[move 2.1,.1]2
[move 3.1,.1]3[move 4.1,.1]4[move 5.1,.1]5
[move 6.1,.1]6[move 7.1,.1]7[move 8.1,.1]8
[move 9.1,.1]9[move 10.1,.1]10[move 11.1,.1]11
[move 12.1,.1]12[move 13.1,.1]13[move 13.75,.1]14
[move .1,1.1]1[move .1,2.1]2[move .1,3.1]3
[move .1,4.1]4[move .1,5.1]5[move .1,6.1]6
[move .1,7.1]7[move .1,8.1]8[move .1,9.1]9
[move .1,10.1]10[move .1,10.8]11
[unblank]
[move 6.96,5.45;bull] 7,5.5
[move 6.7,.4;size .13;font simpl]Figure 2