B3311331313231311331322331333132333133313231332113313331333132332322132311   >>    B331133131323131133132233133313233313331323133211331333133313233232213231   <<    B3311331313231311331322331333132333133313231332113313331333132332322132313   >>      B3311331313231311331322331333132333133313231332113313331333132332322132312   >>