B331133131323131133132233133313231323132333133313133313331323222332322112111
>>
B33113313132313113313223313331323132313233313331313331333132322233232211211
<<
B331133131323131133132233133313231323132333133313133313331323222332322112113
>>
B331133131323131133132233133313231323132333133313133313331323222332322112112
>>