B331133131323131133132233133313233313231311233133313233313232233131333111
>>
B33113313132313113313223313331323331323131123313331323331323223313133311
<<
B331133131323131133132233133313233313231311233133313233313232233131333113
>>
B331133131323131133132233133313233313231311233133313233313232233131333112
>>