1부. 하늘의 수, π
_#1 ( www.youtube.com/watch?v=j9OldWbdxVs )
_#2 ( www.youtube.com/watch?v=VaxAJzIMcho )
_#3 ( www.youtube.com/watch?v=Ok34uySe-lI )
2부. 천국의 사다리, ∞
_#1 ( www.youtube.com/watch?v=s1SMPf9D6sg )
_#2 ( www.youtube.com/watch?v=xual1n22iPU )
_#3 ( www.youtube.com/watch?v=oM3TXwQ6hbw )
3부. 자유의 수, x
_#1 ( www.youtube.com/watch?v=lIUMJyWBo0A )
_#2 ( www.youtube.com/watch?v=hNIs-3IB6i0 )
_#3 ( www.youtube.com/watch?v=RHo3pzeVfTc )
4부. 신의 손짓, 0
_#1 ( www.youtube.com/watch?v=2Xk4ZDZMvO8 )
_#2 ( www.youtube.com/watch?v=JlKXuw6qXls )
_#3 ( www.youtube.com/watch?v=E8G7dbl_P9I )
5부. 천공의 수, i
_#1 ( www.youtube.com/watch?v=ukpBZgf4gic )
_#2 ( www.youtube.com/watch?v=cl6dY_qeJto )
_#3 ( www.youtube.com/watch?v=XafFnC2bKhk )
(2016.01.28.)