The first part goes from 1 to [10, 10, 10, 100] or 10(100)10 some tips {10, 10} = 10^10 {a, b, {c, d}} = a{c^d}b {a, b, {c, d, e}} = a{c{e}d}b {a, b, c} = a{c}b {10, 10, 2} = 10{2}10 or 10^^10 {10, 10, 10} = 10{10}10 x(y) = x*y not x**y