B3311331313231311331322331333132333132332113313331333133313231333132321221
>>
B331133131323131133132233133313233313233211331333133313331323133313232122
<<
B3311331313231311331322331333132333132332113313331333133313231333132321223
>>
B3311331313231311331322331333132333132332113313331333133313231333132321222
>>