B331133131323131133132233133313233313331323133211331333133313331322121323311
>>
B33113313132313113313223313331323331333132313321133133313331333132212132331
<<
B331133131323131133132233133313233313331323133211331333133313331322121323313
>>
B331133131323131133132233133313233313331323133211331333133313331322121323312
>>