B33113313132313113313223313331323131133131311331333132322331323132313231312121
>>
B3311331313231311331322331333132313113313131133133313232233132313231323131212
<<
B33113313132313113313223313331323131133131311331333132322331323132313231312123
>>
B33113313132313113313223313331323131133131311331333132322331323132313231312122
>>