C23131111222331311211331323111133132233132313331323331323223313222221   >>    C2313111122233131121133132311113313223313231333132333132322331322222   <<    C23131111222331311211331323111133132233132313331323331323223313222223   >>      C23131111222331311211331323111133132233132313331323331323223313222222   >>