B3311331313231311331322331333132313331322331323133313331333211323231   >>    B331133131323131133132233133313231333132233132313331333133321132323   <<    B3311331313231311331322331333132313331322331323133313331333211323233   >>      B3311331313231311331322331333132313331322331323133313331333211323232   >>