B331133131323131133132233133313231323331323323133313331323132313113313121121
>>
B33113313132313113313223313331323132333132332313331333132313231311331312112
<<
B331133131323131133132233133313231323331323323133313331323132313113313121123
>>
B331133131323131133132233133313231323331323323133313331323132313113313121122
>>