B331133131323131133132233133313231323132333133313112331333132321111211331
>>
B33113313132313113313223313331323132313233313331311233133313232111121133
<<
B331133131323131133132233133313231323132333133313112331333132321111211333
>>
B331133131323131133132233133313231323132333133313112331333132321111211332
>>