B33113313132313113313223313331323132313331333133112323133313231333132211322121
>>
B3311331313231311331322331333132313231333133313311232313331323133313221132212
<<
B33113313132313113313223313331323132313331333133112323133313231333132211322123
>>
B33113313132313113313223313331323132313331333133112323133313231333132211322122
>>