diff --git a/abate b/abate
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+Subproject commit 97c52244e13f02ae358092b4d9cc48445f7ebbda
diff --git a/hawick b/hawick
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+Subproject commit 05d80f20f8913d756c73cf877c4100f592f320b2
diff --git a/meyer b/meyer
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+Subproject commit d30df0e98ceaed1697eefc0c558d7c8d6456867a
diff --git a/tarjan b/tarjan
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+Subproject commit ecc6296d8540e97f1232789bff92bbbda346845b