B33113313132313113313223313331323331333132233312113313331333132212111112111221   >>    B3311331313231311331322331333132333133313223331211331333133313221211111211122   <<    B33113313132313113313223313331323331333132233312113313331333132212111112111223   >>      B33113313132313113313223313331323331333132233312113313331333132212111112111222   >>