B3311331313231311331322331333132313232233131311331333131133131133132332313121
>>
B331133131323131133132233133313231323223313131133133313113313113313233231312
<<
B3311331313231311331322331333132313232233131311331333131133131133132332313123
>>
B3311331313231311331322331333132313232233131311331333131133131133132332313122
>>