Revert "Revert "adfs""

This reverts commit 6a45f438a1ec391abc2941b433fdefb337932fd9.
Revert "Revert "Revert "adfs"""

This reverts commit 3fe651ca8342dc7e7e0319defb64a6e854d9e7f1.
Revert "Revert "adfs""

This reverts commit 6a45f438a1ec391abc2941b433fdefb337932fd9.
Revert "Revert "removing collatz file""

This reverts commit 759538cdb81edf37f5a351e5574812d1259b707a.