B3313221211233132322331321123233313231333132233133313331333132213331323333331   >>    B331322121123313232233132112323331323133313223313331333133313221333132333333   <<    B3313221211233132322331321123233313231333132233133313331333132213331323333333   >>      B3313221211233132322331321123233313231333132233133313331333132213331323333332   >>