B3311331313231311331322331333132333132313112331333131133131121311
>>
B331133131323131133132233133313233313231311233133313113313112131
<<
B3311331313231311331322331333132333132313112331333131133131121313
>>
B3311331313231311331322331333132333132313112331333131133131121312
>>