B331133131323131133132233133313233313331323133211331333133313232212131131
>>
B33113313132313113313223313331323331333132313321133133313331323221213113
<<
B331133131323131133132233133313233313331323133211331333133313232212131133
>>
B331133131323131133132233133313233313331323133211331333133313232212131132
>>