  A {\em blink} is a plane graph with an arbitrary bipartition of its edges. As
a consequence of a recent result of Martelli, I show that the homeomorphisms
classes of closed oriented 3-manifolds are in 1-1 correspondence with specific
classes of blinks. In these classes, two blinks are equivalent if they are
linked by a finite sequence of local moves, where each one appears in a
concrete list of 64 moves: they organize in 8 types, each being essentially the
same move on 8 simply related configurations. The size of the list can be
substantially decreased at the cost of loosing symmetry, just by keeping a very
simple move type, the {\em ribbon moves} denoted $\pm \mu_{11}^{\pm}$ (which
are in principle redundant). The inclusion of $\pm \mu_{11}^{\pm}$ implies that
all the moves corresponding to plane duality (the starred moves), except for
$\mu_{20}^\star$ and $\mu_{02}^\star$, are redundant and the coin calculus is
reduced to 36 moves on 36 coins.
  A {\em residual fraction link} or a {\em flink}, is a new object which
generalizes {\em blackboard-framed link}. It plays an important role in this
work. I try to make the topological exposition as complete as possible: about
half of the exposition deals with the topological preliminaries. The objective
is to make it easier for the combinatorially oriented readers to understand the
paper. It is in the aegis of this work to find new important connections
between 3-manifolds and plane graphs.
