B33113313132313113313223313331323131323133313232233131333133313231322113221   >>    B3311331313231311331322331333132313132313331323223313133313331323132211322   <<    B33113313132313113313223313331323131323133313232233131333133313231322113223   >>      B33113313132313113313223313331323131323133313232233131333133313231322113222   >>