B331133131323131133132233133313231323132333133313112133313231333132211211331
>>
B33113313132313113313223313331323132313233313331311213331323133313221121133
<<
B331133131323131133132233133313231323132333133313112133313231333132211211333
>>
B331133131323131133132233133313231323132333133313112133313231333132211211332
>>