B3311331313231311331322331333131211111133132333133313231323133313232233112121
>>
B331133131323131133132233133313121111113313233313331323132313331323223311212
<<
B3311331313231311331322331333131211111133132333133313231323133313232233112123
>>
B3311331313231311331322331333131211111133132333133313231323133313232233112122
>>