B331133131323131133132233133313231323331323331311331313231333132333112322121
>>
B33113313132313113313223313331323132333132333131133131323133313233311232212
<<
B331133131323131133132233133313231323331323331311331313231333132333112322123
>>
B331133131323131133132233133313231323331323331311331313231333132333112322122
>>