B3311331313231311331322331333132313233313231333131333133313232321323131211
>>
B331133131323131133132233133313231323331323133313133313331323232132313121
<<
B3311331313231311331322331333132313233313231333131333133313232321323131213
>>
B3311331313231311331322331333132313233313231333131333133313232321323131212
>>