B33132212112331323223313211232333132313331322331333133313231123311   >>    B3313221211233132322331321123233313231333132233133313331323112331   <<    B33132212112331323223313211232333132313331322331333133313231123313   >>      B33132212112331323223313211232333132313331322331333133313231123312   >>