B3311331313231311331322331333132333131323133112323132313331333132313231312121
>>
B331133131323131133132233133313233313132313311232313231333133313231323131212
<<
B3311331313231311331322331333132333131323133112323132313331333132313231312123
>>
B3311331313231311331322331333132333131323133112323132313331333132313231312122
>>