B3311331313231311331322331333132313331322331323133313331322121121131111   >>    B331133131323131133132233133313231333132233132313331333132212112113111   <<    B3311331313231311331322331333132313331322331323133313331322121121131113   >>      B3311331313231311331322331333132313331322331323133313331322121121131112   >>