B3313221211233132322331321123233313231333132233133313331333131211331322333321   >>    B331322121123313232233132112323331323133313223313331333133313121133132233332   <<    B3313221211233132322331321123233313231333132233133313331333131211331322333323   >>      B3313221211233132322331321123233313231333132233133313331333131211331322333322   >>