B331133131323131133132233133313231323132333131123313232233131232313112111
>>
B33113313132313113313223313331323132313233313112331323223313123231311211
<<
B331133131323131133132233133313231323132333131123313232233131232313112113
>>
B331133131323131133132233133313231323132333131123313232233131232313112112
>>