B3311331313231311331322331333132313331322331323133313331323312111111213113121   >>    B331133131323131133132233133313231333132233132313331333132331211111121311312   <<    B3311331313231311331322331333132313331322331323133313331323312111111213113123   >>      B3311331313231311331322331333132313331322331323133313331323312111111213113122   >>