B3311331313231311331322331333132333132313112331333131133131133132313121
>>
B331133131323131133132233133313233313231311233133313113313113313231312
<<
B3311331313231311331322331333132333132313112331333131133131133132313123
>>
B3311331313231311331322331333132333132313112331333131133131133132313122
>>