B3311331313231311331322331333132333133313231332113313331333133313131111211211
>>
B331133131323131133132233133313233313331323133211331333133313331313111121121
<<
B3311331313231311331322331333132333133313231332113313331333133313131111211213
>>
B3311331313231311331322331333132333133313231332113313331333133313131111211212
>>