B331133131323131133132233133313231323132333133313112331333132322132231221
>>
B33113313132313113313223313331323132313233313331311233133313232213223122
<<
B331133131323131133132233133313231323132333133313112331333132322132231223
>>
B331133131323131133132233133313231323132333133313112331333132322132231222
>>