B3313221211233132322331321123233313231333132233133313331333131311331131   >>    B331322121123313232233132112323331323133313223313331333133313131133113   <<    B3313221211233132322331321123233313231333132233133313331333131311331133   >>      B3313221211233132322331321123233313231333132233133313331333131311331132   >>