B3313221211233132322331321123233313231333132233133313331313231323231   >>    B331322121123313232233132112323331323133313223313331333131323132323   <<    B3313221211233132322331321123233313231333132233133313331313231323233   >>      B3313221211233132322331321123233313231333132233133313331313231323232   >>