B331133131323131133132233133313231323133313331331122132313231312121
>>
B33113313132313113313223313331323132313331333133112213231323131212
<<
B331133131323131133132233133313231323133313331331122132313231312123
>>
B331133131323131133132233133313231323133313331331122132313231312122
>>