B331133131323131133132233133313231313231333132322331313331333131121131212121
>>
B33113313132313113313223313331323131323133313232233131333133313112113121212
<<
B331133131323131133132233133313231313231333132322331313331333131121131212123
>>
B331133131323131133132233133313231313231333132322331313331333131121131212122
>>