B331133131323131133132233133313233313331323133211331333133313233313222311
>>
B33113313132313113313223313331323331333132313321133133313331323331322231
<<
B331133131323131133132233133313233313331323133211331333133313233313222313
>>
B331133131323131133132233133313233313331323133211331333133313233313222312
>>