C3132121111331312113313331333133313331333132313331333133313232233132313113221   >>    C313212111133131211331333133313331333133313231333133313331323223313231311322   <<    C3132121111331312113313331333133313331333132313331333133313232233132313113223   >>      C3132121111331312113313331333133313331333132313331333133313232233132313113222   >>