B3311331313231311331322331333132313232233131311331333131133132313221221
>>
B331133131323131133132233133313231323223313131133133313113313231322122
<<
B3311331313231311331322331333132313232233131311331333131133132313221223
>>
B3311331313231311331322331333132313232233131311331333131133132313221222
>>