B1323331313331312323133313112113313232233132333133313231333132313121123311
>>
B132333131333131232313331311211331323223313233313331323133313231312112331
<<
B1323331313331312323133313112113313232233132333133313231333132313121123313
>>
B1323331313331312323133313112113313232233132333133313231333132313121123312
>>