B331133131323131133132233133313231323132333133313133313331323221123313231121
>>
B33113313132313113313223313331323132313233313331313331333132322112331323112
<<
B331133131323131133132233133313231323132333133313133313331323221123313231123
>>
B331133131323131133132233133313231323132333133313133313331323221123313231122
>>