B3311331313231311331322331333132313331323223312113313331333133313132211211331   >>    B331133131323131133132233133313231333132322331211331333133313331313221121133   <<    B3311331313231311331322331333132313331323223312113313331333133313132211211333   >>      B3311331313231311331322331333132313331323223312113313331333133313132211211332   >>