B331133131323131133132233133313233313331313223313331323223313231333132313232121
>>
B33113313132313113313223313331323331333131322331333132322331323133313231323212
<<
B331133131323131133132233133313233313331313223313331323223313231333132313232123
>>
B331133131323131133132233133313233313331313223313331323223313231333132313232122
>>