B13233313133313123231333131121133132322331323331333132333131133131322131
>>
B1323331313331312323133313112113313232233132333133313233313113313132213
<<
B13233313133313123231333131121133132322331323331333132333131133131322133
>>
B13233313133313123231333131121133132322331323331333132333131133131322132
>>