B3311331313231311331322331333132313232233131311331333131133131133131133211
>>
B331133131323131133132233133313231323223313131133133313113313113313113321
<<
B3311331313231311331322331333132313232233131311331333131133131133131133213
>>
B3311331313231311331322331333132313232233131311331333131133131133131133212
>>