B331322121123313232233132112323331323133313223313331333133313231223231   >>    B33132212112331323223313211232333132313331322331333133313331323122323   <<    B331322121123313232233132112323331323133313223313331333133313231223233   >>      B331322121123313232233132112323331323133313223313331333133313231223232   >>