B331133131323131323331323132313112331313233313232233132313231121
>>
B33113313132313132333132313231311233131323331323223313231323112
<<
B331133131323131323331323132313112331313233313232233132313231123
>>
B331133131323131323331323132313112331313233313232233132313231122
>>