B33113313132313113313223313331323131323133313232233131133132313232212323131121
>>
B3311331313231311331322331333132313132313331323223313113313231323221232313112
<<
B33113313132313113313223313331323131323133313232233131133132313232212323131123
>>
B33113313132313113313223313331323131323133313232233131133132313232212323131122
>>