B331322121123313232233132112323331323133313223313331333133313112132321   >>    B33132212112331323223313211232333132313331322331333133313331311213232   <<    B331322121123313232233132112323331323133313223313331333133313112132323   >>      B331322121123313232233132112323331323133313223313331333133313112132322   >>