B3311331313231311331322331333132333132332113313331333132313231312323211
>>
B331133131323131133132233133313233313233211331333133313231323131232321
<<
B3311331313231311331322331333132333132332113313331333132313231312323213
>>
B3311331313231311331322331333132333132332113313331333132313231312323212
>>