# Pastebin 2M9tFxm7
<Bob.PubKey>
OP_DEPTH OP_3 OP_EQUAL
OP_IF
    OP_SWAP
    <Alice.PubKey> OP_CHECKSIGVERIFY 
 OP_CODESEPARATOR OP_CHECKSIG
OP_ELSE
    0 OP_CLTV OP_DROP OP_CHECKSIG
OP_ENDIF