B33113313132313113313223313331323131323133313232233131333133313231312231
>>
B3311331313231311331322331333132313132313331323223313133313331323131223
<<
B33113313132313113313223313331323131323133313232233131333133313231312233
>>
B33113313132313113313223313331323131323133313232233131333133313231312232
>>