I am about to start studying for Level 2. Is it necessary to review the materials from Level 1 before doing so (i.e. notes, Elan 11th Hour, etc.) or is Level 2 entirely new material that teaches you everything as you move along? I just wasn’t sure how much the Level 2 curriculum builds on Level 1 by simply assuming you remember all of the formulas, information, etc. from L1 or whether you can just jump into the L2 material without first re-reviewing Level 1.