digraph block {
    N0[label="entry"];
    N1[label="exit"];
    N2[label="expr 91"];
    N3[label="local x"];
    N4[label="stmt let x = 91;"];
    N5[label="local _y"];
    N6[label="stmt let _y;"];
    N7[label="expr x"];
    N8[label="expr 92"];
    N9[label="expr x > 92"];
    N10[label="expr 93"];
    N11[label="expr _y"];
    N12[label="expr _y = 93"];
    N13[label="stmt _y = 93;"];
    N14[label="block { _y = 93; }"];
    N15[label="expr 94"];
    N16[label="expr 95"];
    N17[label="expr 94 + 95"];
    N18[label="expr _y"];
    N19[label="expr _y = 94 + 95"];
    N20[label="stmt _y = 94 + 95;"];
    N21[label="block { _y = 94 + 95; }"];
    N22[label="expr { _y = 94 + 95; }"];
    N23[label="expr if x > 92 { _y = 93; } else { _y = 94 + 95; }"];
    N24[label="block { let x = 91; let _y; if x > 92 { _y = 93; } else { _y = 94 + 95; } }"];
    N0 -> N2;
    N2 -> N3;
    N3 -> N4;
    N4 -> N5;
    N5 -> N6;
    N6 -> N7;
    N7 -> N8;
    N8 -> N9;
    N9 -> N10;
    N10 -> N11;
    N11 -> N12;
    N12 -> N13;
    N13 -> N14;
    N9 -> N15;
    N15 -> N16;
    N16 -> N17;
    N17 -> N18;
    N18 -> N19;
    N19 -> N20;
    N20 -> N21;
    N21 -> N22;
    N14 -> N23;
    N22 -> N23;
    N23 -> N24;
    N24 -> N1;
}