B3311331313231311331322331333132313233313231333131133131133132322112121
>>
B331133131323131133132233133313231323331323133313113313113313232211212
<<
B3311331313231311331322331333132313233313231333131133131133132322112123
>>
B3311331313231311331322331333132313233313231333131133131133132322112122
>>