B331133131323131133132233133313233313331323133211331333133313112113121221
>>
B33113313132313113313223313331323331333132313321133133313331311211312122
<<
B331133131323131133132233133313233313331323133211331333133313112113121223
>>
B331133131323131133132233133313233313331323133211331333133313112113121222
>>