B331133131323131133132233133313231323132333133313112331333132222221
>>
B33113313132313113313223313331323132313233313331311233133313222222
<<
B331133131323131133132233133313231323132333133313112331333132222223
>>
B331133131323131133132233133313231323132333133313112331333132222222
>>