B3311331313231311331322331333132313233313231333131133133313221211331
>>
B331133131323131133132233133313231323331323133313113313331322121133
<<
B3311331313231311331322331333132313233313231333131133133313221211333
>>
B3311331313231311331322331333132313233313231333131133133313221211332
>>