B3311331313231311331322331333132313331322331323133313311211113313122132131   >>    B331133131323131133132233133313231333132233132313331331121111331312213213   <<    B3311331313231311331322331333132313331322331323133313311211113313122132133   >>      B3311331313231311331322331333132313331322331323133313311211113313122132132   >>