C23131111222331311211331323111133132233132313331323331323223313221321   >>    C2313111122233131121133132311113313223313231333132333132322331322132   <<    C23131111222331311211331323111133132233132313331323331323223313221323   >>      C23131111222331311211331323111133132233132313331323331323223313221322   >>