B3313221211233132322331321123233313231333132233133313331333132321112331   >>    B331322121123313232233132112323331323133313223313331333133313232111233   <<    B3313221211233132322331321123233313231333132233133313331333132321112333   >>      B3313221211233132322331321123233313231333132233133313331333132321112332   >>