B3311331313231311331322331333132333133313231332113313331333132332322131131
>>
B331133131323131133132233133313233313331323133211331333133313233232213113
<<
B3311331313231311331322331333132333133313231332113313331333132332322131133
>>
B3311331313231311331322331333132333133313231332113313331333132332322131132
>>