C211111133131323223313233313231133132333132311221123231313232233131   >>    C21111113313132322331323331323113313233313231122112323131323223313   <<    C211111133131323223313233313231133132333132311221123231313232233133   >>      C211111133131323223313233313231133132333132311221123231313232233132   >>