B13233313133313123231333131121133132322331323331333132333132313331311211312121
>>
B1323331313331312323133313112113313232233132333133313233313231333131121131212
<<
B13233313133313123231333131121133132322331323331333132333132313331311211312123
>>
B13233313133313123231333131121133132322331323331333132333132313331311211312122
>>