B331133131323131133132233133313232212121111133313232233132323221   >>    B33113313132313113313223313331323221212111113331323223313232322   <<    B331133131323131133132233133313232212121111133313232233132323223   >>      B331133131323131133132233133313232212121111133313232233132323222   >>