B3311331313231311331322331333132313233313231333131133131133131122313232211
>>
B331133131323131133132233133313231323331323133313113313113313112231323221
<<
B3311331313231311331322331333132313233313231333131133131133131122313232213
>>
B3311331313231311331322331333132313233313231333131133131133131122313232212
>>