B3311331313231311331322331333131133132333132333133313223313231333132311312121
>>
B331133131323131133132233133313113313233313233313331322331323133313231131212
<<
B3311331313231311331322331333131133132333132333133313223313231333132311312123
>>
B3311331313231311331322331333131133132333132333133313223313231333132311312122
>>