B33132212112331323223313211232333132313331322331333133313331121131211211321   >>    B3313221211233132322331321123233313231333132233133313331333112113121121132   <<    B33132212112331323223313211232333132313331322331333133313331121131211211323   >>      B33132212112331323223313211232333132313331322331333133313331121131211211322   >>