B3311331313231311331322331333132313331322331323133313331323233121111333211111   >>    B331133131323131133132233133313231333132233132313331333132323312111133321111   <<    B3311331313231311331322331333132313331322331323133313331323233121111333211113   >>      B3311331313231311331322331333132313331322331323133313331323233121111333211112   >>