B3311331313231311331322331333132333133313231332113313331333133313311222331   >>    B331133131323131133132233133313233313331323133211331333133313331331122233   <<    B3311331313231311331322331333132333133313231332113313331333133313311222333   >>      B3311331313231311331322331333132333133313231332113313331333133313311222332   >>