B331133131323131133132233133313233313331323133211331333133313233313231323222331
>>
B33113313132313113313223313331323331333132313321133133313331323331323132322233
<<
B331133131323131133132233133313233313331323133211331333133313233313231323222333
>>
B331133131323131133132233133313233313331323133211331333133313233313231323222332
>>