B13233313133313123231333131121133132322331323331333132333132313331123221
>>
B1323331313331312323133313112113313232233132333133313233313231333112322
<<
B13233313133313123231333131121133132322331323331333132333132313331123223
>>
B13233313133313123231333131121133132322331323331333132333132313331123222
>>