B331322121123313232233132112323331323133313223313331333132322331311311231   >>    B33132212112331323223313211232333132313331322331333133313232233131131123   <<    B331322121123313232233132112323331323133313223313331333132322331311311233   >>      B331322121123313232233132112323331323133313223313331333132322331311311232   >>