B3311331313231311331322331333132313331322331323133322331312112111   >>    B331133131323131133132233133313231333132233132313332233131211211   <<    B3311331313231311331322331333132313331322331323133322331312112113   >>      B3311331313231311331322331333132313331322331323133322331312112112   >>