diff --git a/.gitmodules b/.gitmodules
index 7a15136..83c3e9f 100644
--- a/.gitmodules
+++ b/.gitmodules
@@ -13,3 +13,6 @@
 [submodule "lib/h20.pubstrats"]
 	path = lib/h20.pubstrats
 	url = https://github.com/h20liquidity/h20.pubstrats.git
+[submodule "lib/view-quoter-v3"]
+	path = lib/view-quoter-v3
+	url = https://github.com/Uniswap/view-quoter-v3
diff --git a/lib/h20.pubstrats b/lib/h20.pubstrats
index 668ae9d..0c11382 160000
--- a/lib/h20.pubstrats
+++ b/lib/h20.pubstrats
@@ -1 +1 @@
-Subproject commit 668ae9d2e2ab4d4549212ef6e6faacb12e5dbd0c
+Subproject commit 0c11382c885eb75493eb506344b3a0299b9a5990
diff --git a/lib/view-quoter-v3 b/lib/view-quoter-v3
new file mode 160000
index 0000000..0649670
--- /dev/null
+++ b/lib/view-quoter-v3
@@ -0,0 +1 @@
+Subproject commit 064967017bd1a0df11e9d71ff024b29584aafaa5
diff --git a/src/TrancheMirror.sol b/src/TrancheMirror.sol
index bf25e98..82a4ec9 100644
--- a/src/TrancheMirror.sol
+++ b/src/TrancheMirror.sol
@@ -24,9 +24,8 @@ address constant POLYGON_IEON_HOLDER = 0xd6756f5aF54486Abda6bd9b1eee4aB0dBa7C3ef
 // USDT token holder.
 address constant POLYGON_USDT_HOLDER = 0xF977814e90dA44bFA03b6295A0616a897441aceC;
 
-/// @dev https://docs.sushi.com/docs/Products/Classic%20AMM/Deployment%20Addresses
-/// @dev https://polygonscan.com/address/0xc35DADB65012eC5796536bD9864eD8773aBc74C4
-address constant POLYGON_SUSHI_V2_FACTORY = 0xc35DADB65012eC5796536bD9864eD8773aBc74C4;
+/// @dev https://polygonscan.com/address/0x5757371414417b8C6CAad45bAeF941aBc7d3Ab32
+address constant UNI_V2_FACTORY = 0x5757371414417b8C6CAad45bAeF941aBc7d3Ab32;
 
 /// @dev https://polygonscan.com/address/0xd0e9c8f5Fae381459cf07Ec506C1d2896E8b5df6
 IERC20 constant IEON_TOKEN = IERC20(0xd0e9c8f5Fae381459cf07Ec506C1d2896E8b5df6);
@@ -34,6 +33,9 @@ IERC20 constant IEON_TOKEN = IERC20(0xd0e9c8f5Fae381459cf07Ec506C1d2896E8b5df6);
 /// @dev https://polygonscan.com/address/0xc2132D05D31c914a87C6611C10748AEb04B58e8F
 IERC20 constant USDT_TOKEN = IERC20(0xc2132D05D31c914a87C6611C10748AEb04B58e8F);
 
+/// @dev https://polygonscan.com/address/0x0d500B1d8E8eF31E21C99d1Db9A6444d3ADf1270
+IERC20 constant WETH_TOKEN = IERC20(0x0d500B1d8E8eF31E21C99d1Db9A6444d3ADf1270);
+
 /// @dev https://docs.sushi.com/docs/Products/Classic%20AMM/Deployment%20Addresses
 address constant POLYGON_SUSHI_V2_ROUTER = 0x1b02dA8Cb0d097eB8D57A175b88c7D8b47997506;
 
@@ -41,7 +43,76 @@ function polygonIeonIo() pure returns (IO memory) {
     return IO(address(IEON_TOKEN), 18, VAULT_ID);
 }
 
-function polygonUsdtIo() pure returns (IO memory) {
-    return IO(address(USDT_TOKEN), 6, VAULT_ID);
+function polygonWethIo() pure returns (IO memory) {
+    return IO(address(WETH_TOKEN), 18, VAULT_ID);
+}
+
+function uint2str(uint256 _i) pure returns (string memory _uintAsString) {
+    if (_i == 0) {
+        return "0";
+    }
+    uint256 j = _i;
+    uint256 len;
+    while (j != 0) {
+        len++;
+        j /= 10;
+    }
+    bytes memory bstr = new bytes(len);
+    uint256 k = len;
+    while (_i != 0) {
+        k = k - 1;
+        uint8 temp = (48 + uint8(_i - _i / 10 * 10));
+        bytes1 b1 = bytes1(temp);
+        bstr[k] = b1;
+        _i /= 10;
+    }
+    return string(bstr);
+}
+
+library LibTrancheSpreadOrders {
+    using Strings for address;
+
+    function getTrancheSpreadBuyOrder(Vm vm, address orderBookSubparser, address uniswapWords)
+        internal
+        returns (bytes memory trancheRefill)
+    {
+        string[] memory ffi = new string[](29);
+        ffi[0] = "rain";
+        ffi[1] = "dotrain";
+        ffi[2] = "compose";
+        ffi[3] = "-i";
+        ffi[4] = "lib/h20.pubstrats/src/tranche-spread.rain";
+        ffi[5] = "--entrypoint";
+        ffi[6] = "calculate-io";
+        ffi[7] = "--entrypoint";
+        ffi[8] = "handle-io";
+        ffi[9] = "--bind";
+        ffi[10] = "distribution-token=0xd0e9c8f5Fae381459cf07Ec506C1d2896E8b5df6";
+        ffi[11] = "--bind";
+        ffi[12] = "reserve-token=0x0d500B1d8E8eF31E21C99d1Db9A6444d3ADf1270";
+        ffi[13] = "--bind";
+        ffi[14] = string.concat("tranche-reserve-amount-base=", uint2str(1e18));
+        ffi[15] = "--bind";
+        ffi[16] = string.concat("tranche-reserve-io-ratio-base=", uint2str(111e16));
+        ffi[17] = "--bind";
+        ffi[18] = string.concat("spread-ratio=", uint2str(101e16));
+        ffi[19] = "--bind";
+        ffi[20] = string.concat("tranche-space-edge-guard-threshold=", uint2str(1e16));
+        ffi[21] = "--bind";
+        ffi[22] = "get-tranche-space='get-real-tranche-space";
+        ffi[23] = "--bind";
+        ffi[24] = "set-tranche-space='set-real-tranche-space";
+        ffi[25] = "--bind";
+        ffi[26] = "tranche-reserve-amount-growth='tranche-reserve-amount-growth-constant";
+        ffi[27] = "--bind";
+        ffi[28] = "tranche-reserve-io-ratio-growth='tranche-reserve-io-ratio-linear";
+        trancheRefill = bytes.concat(getSubparserPrelude(orderBookSubparser, uniswapWords), vm.ffi(ffi));
+    }
+
+    function getSubparserPrelude(address obSubparser, address uniswapWords) internal pure returns (bytes memory) {
+        bytes memory RAINSTRING_OB_SUBPARSER =
+            bytes(string.concat("using-words-from ", obSubparser.toHexString(), " ", uniswapWords.toHexString(), " "));
+        return RAINSTRING_OB_SUBPARSER;
+    }
 }
 
diff --git a/test/TrancheMirrorTest.t.sol b/test/TrancheMirrorTest.t.sol
index 65f7e88..21ebadc 100644
--- a/test/TrancheMirrorTest.t.sol
+++ b/test/TrancheMirrorTest.t.sol
@@ -4,8 +4,18 @@ pragma solidity =0.8.19;
 import {Vm} from "forge-std/Vm.sol";
 import {console2, Test} from "forge-std/Test.sol";
 import "test/util/TrancheMirrorUtils.sol";
+import "src/TrancheMirror.sol";
 
 contract TrancheMirrorTest is TrancheMirrorUtils {
     
+    function testParseOrder() public {
+        PARSER.parse(
+            LibTrancheSpreadOrders.getTrancheSpreadBuyOrder(
+                vm,
+                address(ORDERBOOK_SUPARSER),
+                address(UNISWAP_WORDS)
+            )
+        );
+    }
 }
 
diff --git a/test/util/TrancheMirrorUtils.sol b/test/util/TrancheMirrorUtils.sol
index 4eb5018..e78952b 100644
--- a/test/util/TrancheMirrorUtils.sol
+++ b/test/util/TrancheMirrorUtils.sol
@@ -40,13 +40,23 @@ contract TrancheMirrorUtils is RainContracts, Test {
 
     function setUp() public {
         selectPolygonFork();
-        PARSER = IParserV1(0xc2D7890077F3EA75c2798D8624E1E0E6ef8C41e6);
-        INTERPRETER = IInterpreterV2(0xB7d691B7E3676cb70dB0cDae95797F24Eab6980D);
-        STORE = IInterpreterStoreV2(0x0b5a2b0aCFc5B52bf341FAD638B63C9A6f82dcb9);
-        EXPRESSION_DEPLOYER = IExpressionDeployerV3(0xE1E250a234aF6F343062873bf89c9D1a0a659c0b);
+
+        deployParser();
+        deployStore();
+        deployInterpreter();
+
+        deployExpressionDeployer(vm, address(INTERPRETER), address(STORE), address(PARSER));
+        deployOrderBookSubparser();
+        deployUniswapWords(vm); 
+        
+        // PARSER = IParserV1(0xc2D7890077F3EA75c2798D8624E1E0E6ef8C41e6);
+        // INTERPRETER = IInterpreterV2(0xB7d691B7E3676cb70dB0cDae95797F24Eab6980D);
+        // STORE = IInterpreterStoreV2(0x0b5a2b0aCFc5B52bf341FAD638B63C9A6f82dcb9);
+        // EXPRESSION_DEPLOYER = IExpressionDeployerV3(0xE1E250a234aF6F343062873bf89c9D1a0a659c0b);
+        // ORDERBOOK_SUPARSER = ISubParserV2(0x8A99456dD0E1CaA187CF6B779cA42EFE94E9C42b);
+        // UNISWAP_WORDS = ISubParserV2(0xd97e8e581393055521F813D6889CfcCEDF7847C6); 
+
         ORDERBOOK = IOrderBookV3(0xDE5aBE2837bc042397D80E37fb7b2C850a8d5a6C);
-        ORDERBOOK_SUPARSER = ISubParserV2(0x8A99456dD0E1CaA187CF6B779cA42EFE94E9C42b);
-        UNISWAP_WORDS = ISubParserV2(0xd97e8e581393055521F813D6889CfcCEDF7847C6);
         ARB_IMPLEMENTATION = IOrderBookV3ArbOrderTaker(0x8F29083140559bd1771eDBfB73656A9f676c00Fd);
         ARB_INSTANCE = IOrderBookV3ArbOrderTaker(0x0D7896d70FE84e88CC8e8BaDcB14D612Eee4Bbe0);
         CLONE_FACTORY = ICloneableFactoryV2(0x6d0c39093C21dA1230aCDD911420BBfA353A3FBA);