B3311331313231311331322331333131133132322131333132313231333132313232111121
>>
B331133131323131133132233133313113313232213133313231323133313231323211112
<<
B3311331313231311331322331333131133132322131333132313231333132313232111123
>>
B3311331313231311331322331333131133132322131333132313231333132313232111122
>>