B3311331313231311331322331333132333133313231332113313331333132322121123121
>>
B331133131323131133132233133313233313331323133211331333133313232212112312
<<
B3311331313231311331322331333132333133313231332113313331333132322121123123
>>
B3311331313231311331322331333132333133313231332113313331333132322121123122
>>