B3311331313231311331322331333132313331323133313233313331333133313232322131
>>
B331133131323131133132233133313231333132313331323331333133313331323232213
<<
B3311331313231311331322331333132313331323133313233313331333133313232322133
>>
B3311331313231311331322331333132313331323133313233313331333133313232322132
>>