S d c

S d cS d cS d cS d c
S d cS d cS d cS d cS d cS d cS d cS d c
S d cS d cS d cS d cS d cS d cS d cS d cS d cS d cS d cS d c
S d cS d cS d cS d cS d cS d cS d cS d cS d cS d cS d cS d cS d cS d cS d cS d c
S d cS d cS d cS d cS d cS d cS d cS d c