B3311331313231311331322331333132313331322331323133313331333132332123113231
>>
B331133131323131133132233133313231333132233132313331333133313233212311323
<<
B3311331313231311331322331333132313331322331323133313331333132332123113233
>>
B3311331313231311331322331333132313331322331323133313331333132332123113232
>>