B3311331313231311331322331333131133131323131133133313232233132322123231311
>>
B331133131323131133132233133313113313132313113313331323223313232212323131
<<
B3311331313231311331322331333131133131323131133133313232233132322123231313
>>
B3311331313231311331322331333131133131323131133133313232233132322123231312
>>