B331133131323131133132233133313231323133313132322331333131133131211211331
>>
B33113313132313113313223313331323132313331313232233133313113313121121133
<<
B331133131323131133132233133313231323133313132322331333131133131211211333
>>
B331133131323131133132233133313231323133313132322331333131133131211211332
>>