B33132212112331323223313211232333132313331322331333133313331323123231333221   >>    B3313221211233132322331321123233313231333132233133313331333132312323133322   <<    B33132212112331323223313211232333132313331322331333133313331323123231333223   >>      B33132212112331323223313211232333132313331322331333133313331323123231333222   >>