B3313221211233132322331321123233313231333132233133313331333131111323321   >>    B331322121123313232233132112323331323133313223313331333133313111132332   <<    B3313221211233132322331321123233313231333132233133313331333131111323323   >>      B3313221211233132322331321123233313231333132233133313331333131111323322   >>