B3311331313231311331322331333132313113313131323133313231333132313231121221
>>
B331133131323131133132233133313231311331313132313331323133313231323112122
<<
B3311331313231311331322331333132313113313131323133313231333132313231121223
>>
B3311331313231311331322331333132313113313131323133313231333132313231121222
>>