B331133131323131133132233133313231323133313132322331333132332313231322121
>>
B33113313132313113313223313331323132313331313232233133313233231323132212
<<
B331133131323131133132233133313231323133313132322331333132332313231322123
>>
B331133131323131133132233133313231323133313132322331333132332313231322122
>>