B33113313132313113313223313331323132313331313232233131323131323221121
>>
B3311331313231311331322331333132313231333131323223313132313132322112
<<
B33113313132313113313223313331323132313331313232233131323131323221123
>>
B33113313132313113313223313331323132313331313232233131323131323221122
>>