B331133131323131133132233133313231323133313132322331333132313112113211111
>>
B33113313132313113313223313331323132313331313232233133313231311211321111
<<
B331133131323131133132233133313231323133313132322331333132313112113211113
>>
B331133131323131133132233133313231323133313132322331333132313112113211112
>>