B33113313132313113313223313331323132333132333131133131323133313232233132332221
>>
B3311331313231311331322331333132313233313233313113313132313331323223313233222
<<
B33113313132313113313223313331323132333132333131133131323133313232233132332223
>>
B33113313132313113313223313331323132333132333131133131323133313232233132332222
>>