digraph merkle_tree {
    splines=ortho;
    node [shape=box, style="filled", color="black", fontcolor="black", fillcolor="white"];

    "Merkle Root" -> "Hash AB";
    "Merkle Root" -> "Hash C";
    "Hash AB" -> "Hash A";
    "Hash AB" -> "Hash B";
    "Hash A" -> "A";
    "Hash B" -> "B";
    "Hash C" -> "C" [minlen = 2];

    "Merkle Root" [label="Merkle Root"];
    "Hash AB" [label="Hash AB"];
    "Hash A" [label="Hash A"];
    "Hash B" [label="Hash B"];
    "Hash C" [label="Hash C"];
    "A" [label="2 <M> <S> <Z> 3 OP_CHECKMULTISIG"];
    "B" [label="<30 days> OP_CSV OP_DROP\n<Lawyer> OP_CHECKSIGVERIFY\n1 <M> <S> <Z> 3 OP_CHECKMULTISIG"];
    "C" [label="<90 days> OP_CSV OP_DROP\n<Lawyer> OP_CHECKSIG"];
}