45/72-33/144-20/64 = 90/144-33/144-20/64 = 57/144-20/64 = 19/48-10/32 =
19/48-5/16 = 19/48-15/48 = 3/48 = 1/16
45/72-33/144-20/64 = 90/144-33/144-20/64 = 57/144-20/64 = 19/48-10/32 =
19/48-5/16 = 19/48-15/48 = 3/48 = 1/16