B33113313132313113313223313331323132313331313232233131333133313232313121
>>
B3311331313231311331322331333132313231333131323223313133313331323231312
<<
B33113313132313113313223313331323132313331313232233131333133313232313123
>>
B33113313132313113313223313331323132313331313232233131333133313232313122
>>