B331322121123313232233132112323331323133313223313331333133313231232313232212131   >>    B33132212112331323223313211232333132313331322331333133313331323123231323221213   <<    B331322121123313232233132112323331323133313223313331333133313231232313232212133   >>      B331322121123313232233132112323331323133313223313331333133313231232313232212132   >>