B3313221211233132322331321123233313231333132233133313331333131113233321   >>    B331322121123313232233132112323331323133313223313331333133313111323332   <<    B3313221211233132322331321123233313231333132233133313331333131113233323   >>      B3313221211233132322331321123233313231333132233133313331333131113233322   >>