B331133131323131133132233133313231323132333133313133313311232322121
>>
B33113313132313113313223313331323132313233313331313331331123232212
<<
B331133131323131133132233133313231323132333133313133313311232322123
>>
B331133131323131133132233133313231323132333133313133313311232322122
>>