B3311331313231311331322331333132313331323221233133313231321121131   >>    B331133131323131133132233133313231333132322123313331323132112113   <<    B3311331313231311331322331333132313331323221233133313231321121133   >>      B3311331313231311331322331333132313331323221233133313231321121132   >>