B331133131323131133132233133313233313331323133211331333133313331323132313131121
>>
B33113313132313113313223313331323331333132313321133133313331333132313231313112
<<
B331133131323131133132233133313233313331323133211331333133313331323132313131123
>>
B331133131323131133132233133313233313331323133211331333133313331323132313131122
>>