B3311331313231311331322331333132333132332113313331333132313231313331312121
>>
B331133131323131133132233133313233313233211331333133313231323131333131212
<<
B3311331313231311331322331333132333132332113313331333132313231313331312123
>>
B3311331313231311331322331333132333132332113313331333132313231313331312122
>>