B33113313132313113313223313331323131323133313232233131333131333132322112121
>>
B3311331313231311331322331333132313132313331323223313133313133313232211212
<<
B33113313132313113313223313331323131323133313232233131333131333132322112123
>>
B33113313132313113313223313331323131323133313232233131333131333132322112122
>>