B331133131323131133132233133313231323133313132322331333132313231311121
>>
B33113313132313113313223313331323132313331313232233133313231323131112
<<
B331133131323131133132233133313231323133313132322331333132313231311123
>>
B331133131323131133132233133313231323133313132322331333132313231311122
>>