B331133131323131133132233133313232233132211233132313232233133313132313233111
>>
B33113313132313113313223313331323223313221123313231323223313331313231323311
<<
B331133131323131133132233133313232233132211233132313232233133313132313233113
>>
B331133131323131133132233133313232233132211233132313232233133313132313233112
>>