B3311331313231311331322331333132313331323131323223313231333132331231   >>    B331133131323131133132233133313231333132313132322331323133313233123   <<    B3311331313231311331322331333132313331323131323223313231333132331233   >>      B3311331313231311331322331333132313331323131323223313231333132331232   >>