B3311331313231311331322331333132313233313231333131133131113231211
>>
B331133131323131133132233133313231323331323133313113313111323121
<<
B3311331313231311331322331333132313233313231333131133131113231213
>>
B3311331313231311331322331333132313233313231333131133131113231212
>>